Meet Our Leadership Team

James Linder, MD, Chief Executive Officer

James Linder, MD

James (Jim) Linder, MD, is the chief executive officer for Nebraska Medicine and professor of pathology for the University of Nebraska Medical Center (UNMC).

After earning his medical degree from UNMC in Omaha, Nebraska, and subsequent training in pathology at Duke University in Durham, North Carolina, he joined the UNMC faculty in 1983. Dr. Linder has authored more than 150 publications and five textbooks while filling diverse roles in academic medicine and business. He has led professional organizations including being president of the American Society of Clinical Pathologists, Council of the American Society of Cytopathology, and the American Medical Association’s Residency Review Committee for Pathology.

Dr. Linder served as interim dean of the College of Medicine and associate vice chancellor for Research, both for UNMC; and interim president of the University of Nebraska system. From 2010, until joining Nebraska Medicine, he served as president of the University Technology Development Corporation where he led technology transfer, public-private partnerships and specialized research.

In the commercial sector, his research as chief medical officer for Cytyc Corporation led to new cancer screening technologies that reduced the incidence of cervical cancer. As co-founder of Constitution Medical, a new hematology instrument was developed to enable the rapid diagnosis of blood disorders. His research led to induction into the National Academy of Inventors.

His business experience led to the founding of Linseed Capital with his wife, Karen. The Linders have received awards for supporting entrepreneurship and founded the Linder Learning Center in partnership with the United States/Canadian Division of the International Academy of Pathology, which supports internet-based pathology education worldwide.

Michael Ash, MD, Executive Vice President-Chief Transformation Officer

Michael Ash, MD

Michael Ash, MD, serves as the executive vice president and chief transformation officer for Nebraska Medicine. He also serves as vice chancellor of Information and Technology for the University of Nebraska Medical Center (UNMC).

In his dual role, Dr. Ash oversees information technology, information security, quality, safety and clinical effectiveness. He also has responsibilities for Marketing, Patient Experience, Process Improvement and Telehealth.

Dr. Ash has more than 20 years of experience in health information technology. His experience includes several positions with Cerner Corporation, including chief medical officer and vice president for physician strategy and innovation. Prior to Cerner, Dr. Ash practiced as an internal medicine physician. Dr. Ash graduated with a Bachelor of Science in pharmacy and went on to earn his medical degree from the University of Missouri at Kansas City. He completed his internal medicine residency at Baylor College of Medicine in Houston.

During his career, Dr. Ash has been granted a dozen technology patents ranging from health forecasting to management of complex order sets.

Micah Beachy, DO, Vice President, Clinical Quality Officer

Micah beach

Micah Beachy, DO, FACP, SFHM, serves as the vice president and chief quality officer for Nebraska Medicine and is an associate professor in the Department of Internal Medicine, Section of Hospital Medicine for the University of Nebraska Medical Center (UNMC). 

In his role, he has accountability over quality, patient safety, clinical effectiveness, population health, medical informatics, and experience for patients and providers. 

Dr. Beachy completed his medical education at Des Moines University College of Osteopathic Medicine in Iowa and his internal medicine training at UNMC.  After residency, he took a position as an academic hospitalist, becoming part of the core faculty. Over his tenure with Nebraska Medicine, he’s had several leadership positions including unit based medical director and medical director for the Clinical Effectiveness program.    

In addition, Dr. Beachy is a member of professional organizations including the American College of Physicians (ACP), Society of Hospital Medicine (SHM), American Medical Association (AMA), Nebraska Medical Association (NMA), and the Metro Omaha Medical Society (MOMS). He recently was selected to be the governor for the Nebraska chapter of the ACP and will sit on its board of governors. 


Kelly Caverzagie, MD, Vice President, Education

Kelly Caverzagie, MD, FACP, FHM

Kelly Caverzagie, MD, FACP, FHM, serves as vice president of education and a practicing academic hospitalist for Nebraska Medicine. In this role, he has primary accountability for all aspects of education related to the health network for health professions learners, faculty and staff. To accomplish this goal, Dr. Caverzagie established the Office of Health Professions Education, a department dedicated to aligning and integrating the clinical and educational missions of Nebraska Medicine and its academic partner, the University of Nebraska Medical Center (UNMC).

For UNMC, he serves as associate dean for Educational Strategy where he is responsible for having led the implementation of the Training the Physicians of Tomorrow curriculum. Dr. Caverzagie also serves as primary investigator for the UNMC participation in the American Medical Association (AMA) Accelerating Change in Medical Education (ACE) consortium.

Dr. Caverzagie has expertise in the assessment and evaluation of learners, with a particular focus on assessing resident competence and competency-based medical education. He has been a leader in the development and implementation of the Internal Medicine Milestones and served for many national and state organizations including the Alliance for Academic Internal Medicine (AAIM), American Board of Internal Medicine (ABIM), Accreditation Council for Graduate Medical Education (ACGME) and American Medical Association (AMA). He has also served as co-chair of the International Conference on Residency Education (ICRE) and is a member of AMA House of Delegates.

Anna Cramer, JD, Chief Legal Officer and General Counsel


Anna Cramer, JD, serves as the chief legal officer and general counsel for Nebraska Medicine. In her role, Cramer represents and directs legal representation of all Nebraska Medicine entities on a wide variety of strategic, operational and risk matters.

Prior to her appointment as chief legal officer and general counsel in June 2018, Cramer served as interim general counsel and deputy general counsel for Nebraska Medicine.

Before entering health care, Cramer served as legal and regulatory counsel in industries that included pharmacy, health insurance, real estate and franchising.

Cramer earned her Juris Doctor from the University of Nebraska College of Law, in Lincoln, Nebraska. She received her Bachelor of Science and Bachelor of Arts degrees from the University of Nebraska at Lincoln.

Cramer is a board member for Saving Grace Perishable Food Rescue and a member of professional organizations that include the American Health Lawyers Association, Nebraska Bar Association, Association of Corporate Counsel and the Rotary Club of Omaha.

Stephanie Daubert, Chief Financial Officer

Stephanie Daubert

Stephanie Daubert serves as chief financial officer for Nebraska Medicine. In her three decades with Nebraska Medicine, Daubert has worked in a variety of roles. She began her career as a unit secretary while in college, working her way up into more progressive leadership roles in accounting and finance. Prior to being appointed chief financial officer (CFO) for the organization, she was CFO at Bellevue Medical Center and served as controller for Nebraska Medical Center for 12 years.

Daubert earned a bachelor’s degree in accounting, management information systems from the University of Nebraska at Omaha. She later received a Master’s in Business Administration and Management Degree from Creighton University in Omaha, Nebraska.

In addition to her current role, Daubert serves on the board of directors for NeHII, Building Healthy Futures, Nebraska Orthopaedic Hospital, and the Nebraska Health Network.

Theresa Franco, Vice President, Operations

Theresa Franco

Theresa Franco serves as vice president of operations at Nebraska Medicine. Her responsibilities include inpatient operations of the Fred & Pamela Buffett Cancer Center, Pharmacy, Radiology, Interventional Radiology, radiation therapy and cancer ambulatory operations.

Franco, a native of Omaha, Nebraska, received a nursing degree from Creighton University in Omaha, Nebraska, and a master’s degree from the University of Texas in Austin, Texas. Upon her return to Omaha, the University of Nebraska Medical Center (UNMC) hired her to work in Cancer Care Services, where she would later become its executive director. Under her leadership, the small bone marrow transplant program grew to become the Lied Transplant Center. She would later serve as vice president of Cancer Services and Radiology at Nebraska Medicine.

She has published, presented nationally and internationally on a variety of cancer program topics, and has served on several advisory boards to improve cancer care delivery. A member of the National Comprehensive Cancer Network (NCCN) Best Practices Committee since its inception, Franco also serves on its board.

Harris Frankel, MD, Chief Medical Officer


Harris Frankel, MD, serves as chief medical officer and chief compliance officer for Nebraska Medicine and is an associate professor in the Department of Neurological Sciences for the University of Nebraska Medical Center (UNMC).

A native of Omaha, Nebraska, Dr. Frankel obtained his bachelor’s degree in animal physiology from the University of California at San Diego. Thereafter, he received his medical degree from UNMC, completed an internship in general internal medicine at Creighton University Medical Center, and then completed his neurology residency at the University of Texas Southwestern Medical Center at Dallas, serving as chief resident for Parkland Hospital and the Dallas VA his final year.

After nearly 21 years of private practice, Dr. Frankel joined the Department of Neurological Sciences at the University of Nebraska Medical Center. He served as medical director for the UNMC Physicians Clinical Neurosciences Center from 2011 to 2015. He joined the executive leadership team at Nebraska Medicine in 2014. He is board certified in the specialty of Neurology by the American Board of Psychiatry and Neurology.

Dr. Frankel is a member of Alpha Omega Alpha Honor Medical Society and a number of professional organizations including the American Academy of Neurology, American Medical Association, Nebraska Medical Association (NMA) and Metropolitan Omaha Medical Society (MOMS). He is past president of both the NMA and MOMS. Prior to joining the faculty of UNMC, he was a trustee of the University of Nebraska Foundation and served as a member of its Development Committee, chairing the subcommittee on Alumni Relations. He currently serves as a board member for the Visiting Nurses Association and Ronald McDonald House Charities-Omaha.

Ken Hansen, Vice President, Facilities Management

Ken Hansen

Ken Hansen serves as the vice president of Facilities Management and Planning for Nebraska Medicine, and as the associate vice chancellor/vice president of Facilities Management and Planning for the University of Nebraska Medical Center (UNMC).

Hansen began his career with UNMC in November 2005, when he was hired as vice president for Facilities Management and Planning. Prior to that, he spent 29 years working for the Omaha Public Power District (OPPD) where he served as division manager for eight years. He has extensive experience in energy and technology solutions, as well as in managing construction activities.

Hansen also has been manager of facilities and operations for OPPD, which included the startup and operation of the Fort Calhoun Power Station training center and administration facilities and the North Omaha Power Station administration facilities.

Hansen earned his bachelor's and master's degrees from the University of Nebraska at Omaha, and completed the management of managers program at the University of Michigan Business School in Ann Arbor, Michigan.

Chris Kratochvil, MD, Vice President, Research

Chris Kratochvil, MD

Chris Kratochvil, MD, serves as the vice president for research for Nebraska Medicine and the associate vice chancellor for clinical research for the University of Nebraska Medical Center (UNMC), leading many of the clinical research initiatives for the academic health system.

Dr. Kratochvil serves as the institutional official for the UNMC Human Research Protection Program; chief medical officer for UNeHealth; director of the Center for Clinical and Translational Research; member of the Nebraska Biocontainment Unit leadership team; and member of the BioNebraska Board of Directors.

Dr. Kratochvil is a co-principal investigator of the federally funded National Ebola Training and Education Center that serves to support research and preparedness nationally for the management of special pathogens. He is also co-principal Investigator of the National Center for Health Security and Biopreparedness that trains federal partners and provide quarantine services for the United States. Dr. Kratochvil also serves as the University of Nebraska co-director of Global Center for Health Security.

Brian Lancaster, Vice President, Information Technology

Brian Lancaster

Lancaster joined Nebraska Medicine in 2015, and during his tenure he has led the technology strategy to achieve HIMSS Level 7 in 2015, as well as led the organization to be awarded the 2017 and 2018 Most Wired award and the 2017 HIMSS Enterprise Davies award.

Prior to joining Nebraska Medicine, he was at Cerner Corporation where he was the executive over the product and business strategies for Cerner’s electronic medical record and population health product lines. Lancaster is a recognized innovator with seven inventions awarded patents and an additional 12 inventions awaiting patent approval. He received a bachelor’s degree in management information systems and marketing from Marquette University in Milwaukee, Wisconsin.

Julie Lazure, Vice President, Operations


Julie Lazure serves as vice president of operations for Nebraska Medicine. In her role, she provides operational leadership for Acute Care and Pathology Services.

Lazure has been employed by Nebraska Medicine for more than 30 years. She began her time as a phlebotomist in the lab during nursing school. She earned her nursing degree from the University of Nebraska Medical Center (UNMC) College of Nursing in Omaha, Nebraska, and later earned her master’s degree from Nebraska Wesleyan University in Lincoln, Nebraska.

Her first job after graduating from nursing school was as a staff nurse in the Adult Intensive Care Unit. Lazure would go on to serve in several management roles for inpatient nursing units including, 5 West, Cardiac Progressive Care Unit and the Intermediate Care Unit. In her time with the organization, Lazure also served as director of the Heart and Vascular service line and executive director of Acute Care Services.

She is a current board member for the American Lung Association and is a member of Sigma Theta Tau, American Association of Critical Care Nurses, American Association of Nurse Executives, Nebraska Action Coalition and the Society of Hospital Medicine.

Frank Lococo, Vice President, Marketing and Communications

Frank Lococo

Frank Lococo serves as the vice president of Marketing and Communications for Nebraska Medicine. In this role, Lococo is responsible for driving strategy in advertising, creative services, digital communications, internal communications, marketing and public relations in support of organizational goals and objectives.

Prior to coming to Omaha, Lococo, a Milwaukee, Wisconsin native, was with another nationally-recognized academic health network for more than 14 years in progressively responsible roles. Before that, he spent more than eight years in a variety of roles with an award-winning airline and also has experience in sports marketing.

Lococo is a graduate of Marquette University in Milwaukee, Wisconsin, and received his Master’s in Business Administration from the University of Wisconsin at Milwaukee.

Tom Macy, Vice President, Operations

Tom Macy

Tom Macy serves as the vice president of operations for Nebraska Medicine. In his role, he provides overall executive and operational leadership for the health system’s medical group consisting of the academic physicians affiliated with the University of Nebraska Medical Center and community-based physicians.

Macy has more than 25 years of experience in health care administration and has extensive experience in operations management, finance, governance, physician recruitment, ancillary services development, marketing and information technology. For the last 20, he worked in the areas of hospital administration and medical group management, including academic and private practice physician groups, management services organizations and integrated delivery systems.

Prior to joining Nebraska Medicine, Macy was chief executive officer for Nebraska Orthopaedic Hospital in Omaha, Nebraska. He also was chief executive officer for Internal Medicine Associates in Omaha, Nebraska, chief operating officer for Abilene Diagnostic Clinic in Abilene, Texas, and various roles for Tenet Healthcare Corporation.

Macy is a fellow of American College of Healthcare Executives, the American College of Medical Practice Executives and the Healthcare Financial Management Association. He is involved in a number of community-based organizations, including the board of directors and executive committee of Community Health Charities of Nebraska. He currently serves as chair of the National Safety Council-Nebraska Board of Directors.

Rod Markin, MD, PhD, Vice President, Business Development


Rod Markin, MD, PhD, serves as vice president of business development where he is responsible for developing relationships in the Nebraska Medicine clinical network, and is also an anatomic and clinical pathologist. Dr. Markin is also a professor of pathology, director of UNeTech Institute, associate vice chancellor for business development, and chief technology officer, all for University of Nebraska Medical Center (UNMC).

Dr. Markin earned his doctorate in biochemistry from the University of Nebraska - Lincoln and then his medical doctorate from UNMC. He has been with the Nebraska Medicine and UNMC organizations for multiple decades, providing leadership and expertise.

His professional and academic research interests have focused on solid organ transplantation, informatics and clinical laboratory automation, which include but are not limited to: robotics, information systems, medical utilization managment and outcomes optimization. Dr. Markin is a member of multiple national organizations and his work has been published extensively in professional publications.

Sue Nuss, PhD, Chief Nursing Officer


Sue Nuss, PhD, serves as the chief nursing officer for Nebraska Medicine.

Dr. Nuss has more than 36 years nursing experience, including 25 years in pediatric oncology and 11 years in nursing administration. She earned an Associate of Nursing Degree and Doctor of Philosophy from the University of Nebraska Medical Center in Omaha, Nebraska; a Bachelor of Science Degree in Nursing from Syracuse University in Syracuse, New York; a Master of Science Degree in Nursing from Seton Hall University in South Orange, New Jersey; and a Master of Business Administration Degree from the University of Colorado in Denver, Colorado.

She also serves as a member of the Nebraska Medicine Board of Directors, the Nebraska Medicine Guild Board, and the Vizient Chief Nursing Officer Steering Committee. Dr. Nuss is the UNMC College of Nursing associate dean for Nebraska Medicine Nursing in which she strengthens the academic-clinical partnership between the college of nursing and Nebraska Medicine.

Matt Pospisil, Vice President, Operations

Matt Pospisil

Matt Pospisil serves as the vice president of operations for Nebraska Medicine. In this role, he leads the perioperative and procedural services teams, including Cardiac Catheterization, Endoscopy and operating rooms. Additionally, Pospisil supports physician leaders for the Heart and Vascular, Neurosciences, Orthopaedic and Transplant/Gastrointestinal clinical programs in developing strategies for growth, development and performance.

Pospisil joined Nebraska Medicine in 1989, experiencing multiple operational roles throughout the health system. He obtained his undergraduate degree from University of Nebraska at Omaha; a Master of Science degree from Clarkson College in Omaha, Nebraska; and a Master of Business Administration degree from the University of Colorado in Denver, Colorado.

Pospisil is a member of the American College of Healthcare Executives and a member of the board of directors for the Midlands Community Foundation.

Cory Shaw, Executive Vice President-Chief Operating Officer

Cory Shaw

Cory Shaw serves as the executive vice president and chief operating officer for Nebraska Medicine. Prior to his current roles, Shaw served for 14 years as chief executive officer of UNMC Physicians, a 500-member physician practice that was affiliated with the University of Nebraska Medical Center (UNMC).

In addition to his current role, Shaw is a board member of the United Way of the Midlands and Faith Regional Health System in Norfolk, Nebraska. He has also served as a governor’s appointee to the Nebraska Medicaid Reform Commission, the Nebraska Coalition on Access to Health Insurance and the Nebraska Health Information Project.

Shaw has been active on a national level serving on board of directors of the National Comprehensive Cancer Network and the steering committees for the American Association of Medical Colleges Group on Faculty Practice and the University Health System Consortium’s Group on Practice Council.

Carl Smith, MD, Chief Academic Officer

Carl Smith, MD

Carl Smith, MD, serves as chief academic officer for Nebraska Medicine and professor and chair of the Department of Obstetrics and Gynecology for the University of Nebraska Medical Center (UNMC).

After completing his medical school at UNMC, Dr. Smith did his residency in OB-Gyn at Naval Regional Medical Center in Portsmouth, Virginia and his fellowship in maternal-fetal medicine at the University of Southern California in Los Angeles.

Dr. Smith joined the UNMC faculty as an assistant professor in Obstetrics and Gynecology in 1988. During his career at UNMC, he served in various capacities such as director, student clerkship (1989-91); residency program assistant director (1991-92); division director of Maternal-Fetal Medicine (1992-99); residency program director (1992-99); vice chairman (1989-98 and 1998-99); and interim chairman (1996-98).

After serving as department chair for 2.5 years at University of Arkansas for Medical Science in Little Rock, Arkansas, Dr. Smith returned to Omaha and was appointed senior associate dean for clinical affairs and president of UNMC Physicians in 2010.

Dr. Smith served as trustee of the Central Association of Obstetricians and Gynecologists, and is a fellow of the American College of Obstetricians and Gynecologists. He also served as oral examiner for the American Board of Obstetrics and Gynecology. Dr. Smith has published extensively in major journals with particular interests in obstetrical ultrasound and assessment of fetal well being.

Kelly Vaughn, Vice President, Operations


Kelly Vaughn serves as the vice president of operations at Bellevue Medical Center. Vaughn has worked for Nebraska Medicine for more than 20 years.

She began her career as a patient care technician in 1998; moving on to staff nurse positions at Nebraska Medical Center. In 2009, Vaughn moved into leadership as an associate nurse manager for the Adult Progressive Care Unit. She went on to manage the Cardiovascular Intensive Care Unit, and later Endoscopy Services before assuming the role as Surgical Services director in 2015.

Vaughn earned both her bachelor’s of science degree in nursing and master's of science in nursing from University of Nebraska Medical Center.





Frank Venuto, Chief Human Capital Officer


Frank Venuto serves as chief human capital officer for Nebraska Medicine. Prior, he served as the interim executive director of Human Resources for the organization.

In his experience before joining Nebraska Medicine, Venuto for nearly 25 years served as vice president of human resources at academic health systems in Maryland, including the University of Maryland Medical System in Baltimore, and Baltimore Washington Medical Center.

Throughout his experience, Venuto has expertise in leading large-scale human resources transformational strategies in complex, multi-facility health care environments, as well as elevating the performance of the human resources function in community-based hospitals.

Venuto earned his bachelor’s degree from Towson University in Towson, Maryland, and his master’s degree from Johns Hopkins University in Baltimore, Maryland.

Amy Volk, Chief Development Officer

Amy Volk

Amy Volk serves as chief development officer for Nebraska Medicine and senior vice president for University of Nebraska Medical Center (UNMC) development at the University of Nebraska Foundation. Volk began her role with Nebraska Medicine in 2017, when Nebraska Medicine and the University of Nebraska Foundation announced an affiliation agreement that formed a strategic partnership to increase the efficiency of fundraising activities and expand private financial support for both Nebraska Medicine and UNMC.

Volk joined the foundation in 1993 and worked as the UNMC College of Medicine constituent development officer. In 2003, she was the UNMC campus director of development, followed by being promoted to vice president and senior vice president.

In collaboration with Nebraska Medicine and UNMC, she is responsible for implementing the new advancement strategy.

She earned her Bachelor of Science degree from Iowa State University in Ames, Iowa, and a Master of Arts degree from Bowling Green State University in Bowling Green, Ohio.




Tammy Winterboer, PharmD, Vice President, Quality, Effectiveness and Experience


Tammy Winterboer, PharmD, BCPS, CPHQ, serves as the vice president of Quality, Effectiveness and Experience for Nebraska Medicine. In this role, she oversees quality, patient safety, informatics, clinical effectiveness and patient experience. 

Dr. Winterboer is a board certified pharmacotherapy specialist as designated by the American College of Clinical Pharmacy and a certified professional in healthcare quality by the National Association for Healthcare Quality. Dr. Winterboer graduated with a Bachelor of Science degree in biology from Siena College and went on to earn her Doctor of Pharmacy degree from the Medical University of South Carolina. She completed her general post graduate PGY1 residency at Virginia Commonwealth University Health System, followed by experience as a critical care pharmacist at Yale New Haven Health System.

Since arriving joining Nebraska Medicine in 2007, Dr. Winterboer has served in a number of roles. After completing a postgraduate PGY2 pharmacy residency in critical care, she became part of the pharmacy leadership team as a critical care pharmacy manager. Shortly after the organizational-wide implementation of a new electronic medical record (Epic), she transitioned to the role of director of Enterprise Practice Support within the enterprise applications division, taking on responsibilities for clinical informatics, clinical decision support and applications training. Her role further expanded a couple of years later when she began serving as the co-director of the Clinical Effectiveness program, which aims to decrease variability, standardize processes and improve patient outcomes.