Leadership

David SeligmanDavid Seligman, Chairman and Chief Executive Officer
Since 1997, David Seligman has led Best Doctors growth strategy. David has 22 years of broad management and strategic experience in the healthcare sector including market development, mergers and acquisitions, and performance turnarounds. Prior to joining Best Doctors in 1997, David was a Director at the corporate level at Fresenius Medical Care. David graduated valedictorian from Thunderbird with a Masters in International Management and from UCLA with a degree in Economics.

John VarvarisJohn Varvaris, President and Chief Operating Officer
John Varvaris directs the execution of Best Doctors international strategy and manages the Company’s worldwide operations and shared services. John has helped Best Doctors manage its dramatic growth since joining the Company 4 years ago. John has over 30 years of business experience including positions as a Partner at Ernst and Young, LLP and, Senior Vice President & CFO at Old Mutual’s US Life Business. John graduated cum laude from Shippensburg University with a BS in Business Administration and holds a Masters of Science in Finance from Loyola College in Maryland, where he has taught graduate and undergraduate courses as an adjunct professor.

Nancy PowersNancy Powers, Senior Vice President, Global Business Development for Services
Nancy oversees the U.S. and Global Sales, Account Management and Marketing teams and also leads global business development efforts for Best Doctors' services. Nancy has 25 years experience in sales and sales leadership in the health care arena. Her experience encompasses co-founding CorSolutions, formerly one of the largest Disease Management organizations. Nancy most recently held the position of VP of sales and account management at HMC, a division of Wellpoint, where she built the sales team, and drove over $18 million in sales in 2 years. Nancy holds a BS degree from Syracuse University.

Gary BakerGary Baker, Chief Financial Officer, CPA, CMA
Gary Baker is responsible for the financial, auditing and risk management activities of the company. Gary brings more than 30 years of diverse experience to the CFO role in planning and analysis, business advisory capacities, accounting, auditing, and strategy development, for firms including multi-national companies, healthcare providers, payers, financial services firms and professional services organizations. Most recently, Gary was Chief Operating Officer at a large health services firm, where he was responsible for both operational and financial performance. He has also served in senior executive positions with a healthcare-related start-up firm, a $40 million venture backed professional services firm serving the education industry, a $52 million healthcare utilization management organization and several payers with responsibility for profitability of organizations with revenues from $2 billion to $4 billion. Gary attended Loyola University in Maryland, from which he graduated summa cum laude with a Bachelor's degree in Accounting.

Gabriela PerezGabriela Perez, Senior Vice President, Strategic Growth Initiatives
Gabriela Perez leads the execution of Best Doctors’ most important global strategic growth initiatives and oversees our key assets. Over her 13 year career at Best Doctors, Gabriela has successfully directed initiatives across the globe that focus on market development, product innovation and strategic partnerships in the health care services and insurance segments. Her experience includes leading the sales and marketing teams at Attune, Australia’s fastest growing audiology company as well as brand management at Phillip Morris International and strategy consulting with PricewaterhouseCoopers. Gabriela graduated cum laude in Business Administration from Clemson University.

Elizabet NarciandiElizabet Narciandi, Senior Vice President, Global Insurance Operations
As Senior Vice President of Global Insurance Operations at Best Doctors, Elizabet Narciandi promotes a unified global strategy for insurance operations. Elizabet joined Best Doctors in October 2010 and held the position of Vice President of Operations for the Direct Insurance Division, managing and directing various facets including but not limited to Provider Services, Quality Control and Best Doctors Prepaga Company in Ecuador. Prior to joining Best Doctors, she led the Information Technology Team of Bupa Latin America for 11 years as IT Director, promoting efficiency and effectiveness in the organization. Elizabet holds an undergraduate degree in Computer Sciences and a Masters degree of Science in Management Information Systems from Florida International University. She is also a Microsoft Certified Professional and holds a Project Manager Certification from PMI.

Pia Malem ChristoffersenPia Malem-Christoffersen, Senior Vice President, Sales and Marketing
As Senior Vice President for Sales and Marketing Pia Malem-Christoffersen leads the definition and implementation of the sales and marketing strategy of the insurance business in Latin America & the Caribbean in Best Doctors. Pia joined Best Doctors in 2009 and she and her team has contributed to the extraordinary growth in the insurance business, optimization and expansion of the distribution channels and new markets. With her 20 plus years of experience in sales management of medical insurance in Latin America & the Caribbean she has worked with companies such as International Health Insurance danmark a/s and BUPA Latin America. Pia’s career started in Denmark but her linguistic and commercial skills gave her the opportunity to pursue her career in the international arena, working in various countries such as Spain, France and the United States which has enforced her multi-cultural capacity. Pia graduated from the Copenhagen Business School and has an extensive curriculum through leadership programs. She has also served on the Board of Directors for International Health Insurance danmark a/s.

Dr. Lewis LevyLewis Levy, MD, Senior Vice President, Medical Affairs and Chief Quality Officer
Dr. Lewis Levy provides medical leadership to the clinical operations team to deliver the highest quality clinical information on diagnosis and treatment to members and their treating physicians. He has over twenty years of clinical experience as an internist at Harvard Vanguard Medical Associates in Boston. Dr. Levy also has an extensive teaching career through his role as a Preceptor in the Internal Medicine Residency Program at Brigham and Women's Hospital and also as an Instructor at Harvard Medical School. He continues to practice primary care internal medicine and has participated in pioneer ACO, HMO and FFS arrangements. Dr. Levy earned his medical degree from the University of Rochester School of Medicine and Dentistry and completed his Residency in Internal Medicine at the Graduate Hospital of the University of Pennsylvania.

Sue LearySue Leary, Vice President of U.S. Operations
As Vice President for US Member Services and Operations for Group Health business, Sue leads the team responsible for connecting members to medical specialists who can best address each member’s personal health challenge. Member satisfaction and clinical quality are key objectives, ensuring every member experiences a positive, memorable interaction with Best Doctors. Sue has over 20 years of experience in Operations including: customer service, eligibility, enrollment, data analytics, vendor management and consumer driven healthcare. Prior to joining Best Doctors, Sue was the Senior Director for Service Strategy and Engagement at Blue Cross Blue Shield of Massachusetts responsible for building strategies to enhance the overall customer experience. During her tenure she was the Director of Member Service and drove results for outstanding customer service ratings, world class call center achievements, new training and quality programs and implemented a new service model and tools to support member experience. She holds a bachelor’s degree from Emmanuel College.

William WenWilliam Wen, Vice President of Corporate Development
William Wen is the Vice President of Corporate Development for Best Doctors where he is responsible for corporate strategy and mergers and acquisitions. He has successfully completed over 25 acquisitions in his career. Prior to his role at Best Doctors, Mr. Wen co-founded me2me, a developer of speech technology based clinical documentation solutions for electronic medical records. Mr. Wen has also held senior positions at Nuance Communications and Xerox where he was responsible for corporate development, acquisitions, strategic planning and corporate budgeting. Mr. Wen has a BA from the University of Pennsylvania and an MPPM from Yale University.

Nestor TarragonaNestor Tarragona, MD, Medical Director, Direct Insurance
As the Medical Director of the Direct Insurance Division, Dr. Tarragona is focused on medical strategy and improving the functionality and integration of Best Doctors products and services. Prior to formally joining Best Doctors in 2009, Dr. Tarragona trained at Harvard Medical in 2002 with Best Doctors’ founding physicians. His impeccable ability at problem solving and extensive medical knowledge made him an ideal fit with Best Doctors, where he continues to promote medical excellence in the industry. Dr. Tarragona graduated from the University of Buenos Aires in 1999, and completed his residency at the University Hospital. More recently, Nestor completed his second residency training in Internal Medicine at the New England Medical Center, Tufts University.