President and Chief Executive Officer

Nesim Bildirici

With more than 20 years of leadership experience, Nesim Bildirici has a proven track record of building top-rated management teams world-wide. Prior to founding AMC Health, Mr. Bildirici was co-founder of RSL Communications, Ltd., and a Managing Director for R. S. Lauder, Gaspar & Co., a venture capital fund formed by the Lauder Family of Estee Lauder, where he was responsible for managing the initial investment in RSL Communications. Mr. Bildirici previously was an investment banker with Morgan Stanley and holds an MBA from Harvard Business School and a BA from Columbia University.

Chief Financial Officer

Rafael Tarantini

Rafael Tarantini is the EVP of finance and acting CFO of AMC Health. He started his finance career with GE where he had the opportunity to work all over the world across different GE companies (Corporate, Healthcare and FMP). Tarantini later joined a family office in Turkey – Elor Holding – a ~$100M group of companies headquartered in Istanbul. As the CFO of the Holding company, he was responsible for financial management and oversight of all companies and investments in diverse sectors ranging from mining, healthcare, plastics, biometrics, manufacturing, real estate and e-commerce/SaaS.

VP of Product Management

Gaurav Gambhir

Gaurav Gambhir has extensive experience leading and managing large scale business segments with P&L responsibilities for managed health care programs, such as Disease/Case management and Telehealth, especially Remote Patient Monitoring. Gambhir holds an MBA with a specialization in Medical Industry Leadership from the University of Minnesota. He has led multi-functional teams, over ten years, across three different continents in the areas of product development, business intelligence, product management and advanced analytics. Gambhir currently leads AMC Health’s product management and business intelligence teams and is focused on bringing telehealth innovation to drive down the overall cost of healthcare for our payer, provider and government clients.

Chief Technology and Information Officer

Sam Karam

Sam Karam brings more than seventeen years of telehealth experience to AMC Health. Prior to AMC Health, Karam worked for Optum, a division of United Health Group, where he was responsible for the development and management of Optum’s telehealth program that currently has over 25,000 active patients.  Within his career, Karam was responsible for product management and development at Viterion Telehealthcare, where he lead the system redesign effort that contributed to Viterion’s ability to secure one of the first national Veteran Administration telehealth contracts, as well as implemented a $6M telehealth solution in the United Kingdom.

President, Government Division

Lisa Roberts

Dr. Roberts is a licensed clinical psychologist who earned her Ph.D. from the University of Washington and completed a post-doctoral fellowship with the Department of Veterans Affairs Mental Illness Research Education Clinical Center (MIRECC). Prior to joining AMC Health, Dr. Roberts served as VP, Clinical Innovations, Sales and Business Development for Viterion Corporation where she managed the U.S. and U.K. government telehealth businesses, including the largest telehealth program in the U.S. (Department of Veterans Affairs) and the U.K. (Whole System Demonstrator Program), from contract procurement to completion. Since 2013, she has led the Government business segment for AMC Health, and in partnership with 1Vision, have been awarded T4 Next Generation ($22B) and VA Telehealth ($258M). Dr. Roberts is actively involved with the American Telemedicine Association (ATA) and has participated in writing three ATA Practice Guidelines. She has published articles in more than a dozen peer-reviewed journals, including NEJM, JCCP, American Journal of Psychiatry, Military Medicine, and Drug and Alcohol Dependence. In 2016, she was inducted into the American Telemedicine Association College of Fellows.

Executive Vice President, Clinical Innovation

Jonathan Shankman

Jon Shankman has more than 25 years’ experience as a research gerontologist, developing and analyzing new paradigms of chronic care delivery for the elderly and disabled across all segments of the care continuum. He is responsible for the design of solutions that weave technology and clinical best practice into virtual care solutions that address a broad array of chronic and acute illness challenges. He also focuses on the application of analytics to support the development of clinical decision support tools. Formerly with the Metropolitan Jewish Health System, Mr. Shankman held progressive leadership positions with that non-profit, geriatric services organization serving the New York metropolitan area. Shankman holds a Master of Public Health, Gerontology degree, an MBA and a BA, all from Columbia University.

Vice President, Clinical Operations, and Chief Nursing Officer

Johanna Georgilas

Johanna Georgilas began her career as a registered nurse delivering direct patient care andshe brings valuable experience to AMC Health from working with innovative healthcare technology companies such as athenahealth, Philips Healthcare, and MEDITECH. Most recently, she led the Clinical Quality Performance team at Athena Health, where she helped clients improve clinical quality and patient health outcomes. Previously, she led the training and program development for the Telehealth Solutions Group at Philips Healthcare. Georgilas earned her Bachelor’s of Nursing from Simmons College and a Master’s in Business Administration in Healthcare from Simmons School of Management.

Vice President of Sales, Commercial Division

Donna Geringer

Donna Geringer joined AMC Health as Vice President of Health Plan and Provider Markets, leading our business development efforts.  Geringer has driven business development, client retention and revenue growth in the commercial, government, payer, and public sector markets for over 25 years.  Previously, the Chief Client Officer and Senior Vice President of WebMD Health Services Group, Inc. Geringer held an executive leader position over the Employer, Health Plan and New Business sales verticals. She began her career at HealthLink with a 19-year tenure, working as a critical player in the organization’s growth and status as a major competitive leader in the regional healthcare market.  Geringer’s last position at Anthem, was Vice President, Sales where she led three large sales organizations:  Anthem Blue Cross and Blue Shield of Missouri, HealthLink, and The Epoch Group. Her other key leadership roles include Senior Vice President of Sales and Network Development for Davis Vision (a Highmark company), Head of Sales with Aetna, and KEPRO. Geringer holds a B.S., Business Administration and Marketing from Maryville University Saint Louis.

Executive Vice President of Client Development

Mary Hargadine

Mary Hargadine has been with AMC Health for five years. Prior to that, Mary held VP roles at Walgreens, KEPRO and spent 21 years at Anthem as VP of Business Development and Payer Relations for the non-Blue payer strategies. Mary attended Saint Louis University and also holds a certification in Healthcare Leadership from Cornell University.  In April, 2019, Mary completed a three year Lay Ministry Formation Program through the Archdiocese of Saint Louis.

Chief Marketing Officer

Kris Knopf

Kris Knopf is the Chief Marketing Officer of AMC Health.  He is a purpose-driven Marketing, Communications and Business Development leader with broad-based expertise leading the development of innovative and effective strategies and integrated campaigns with companies that include Transamerica, USAA, Davis Vision (Highmark) and start-ups.  His background includes building value propositions and comprehensive marketing roadmaps for domestic and international markets, while designing and strengthening brand influence. 

Executive Vice President of Contracting

David Schuster

David Schuster has over fifteen years’ experience in financing of the public and private sector. He has been involved in providing financial oversight to AMC various divisions as Vice President of Finance  and  is now responsible for all contract related issues of the Company. Schuster has a Bachelor’s in Economics from the University of Baltimore, an MBA from Johns Hopkins, and passed the National Certified Public Accounting Exam in 1995.

Vice President of Human Resources

E. Joy McFerren

Ms. McFerren brings over thirty years Human Resource leadership experience in medical devices, pharmaceutical and distribution. She has an outstanding record of success implementing strategic planning, talent acquisition and management, total rewards and employee engagement with Teleflex Medical, Wyeth Vaccines and QVC Network. McFerren holds certifications as a SCP from SHRM, SPHR from HRCI, and is an Adjunct Professor at Penn State. She received her B.S. from Elizabethtown College and her M.Ed. from Millersville University.

Chief Medical Officer

Dr. Gregory Peterson

Dr. Peterson, a practicing physician, is a leading expert of internal medicine, who has given lectures to national and international medical societies and universities. Dr. Peterson will be leading AMC Health’s efforts to develop focused telehealth interventions to proactively manage chronic disease. Currently the Chief Medical Officer of Progenity and the Iowa Diabetes Center, Dr. Peterson has also served as Director of the Mercy Center for Public Health Policy and Research and Chief Medical Officer of his own practice, Diagnostic & Critical Care Medicine.