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Bob Greczyn, Interim Chief Executive Officer

Bob Greczyn became Interim Chief Executive Officer of Tivity Health®, Inc. (Nasdaq: TVTY) in February 2020 after serving on the company’s board since 2015. Greczyn has over 30 years of experience in leadership roles in some of the nation’s leading healthcare organizations. He currently serves on the Board of Vidant Medical Center, the 21st largest hospital in the U.S., and the system Board of Vidant Health, a nine-hospital system based in Greenville, North Carolina. Previously, he served as the President/CEO of Blue Cross and Blue Shield of North Carolina for over a decade, the President and CEO of HealthSource North Carolina, and the President and CEO of Principal Health Plan of Delaware. He was also a member of the Board of Blue Cross and Blue Shield Association, Chairman of the Board of CAQH, and the Founding Chair of Blue Health Intelligence, one of the largest normalized healthcare databases in the U.S. Greczyn also served on the Board of Directors at LipoScience, Inc. from 2011 to 2014, and as its Interim President and CEO from 2013 to 2014. Greczyn earned a Master of Public Health degree from the University of North Carolina at Chapel Hill, and a Bachelor of Arts in Psychology from East Carolina University.

Mary S. Flipse, Chief Legal & Administrative Officer

As Chief Legal & Administrative Officer, Mary S. Flipse has responsibility for the legal and contracting functions, as well as human resources, government relations and corporate communications. Flipse joined Tivity Health, Inc in 2011 and assumed the role of General Counsel and Assistant Secretary in 2012. She became Chief Legal Officer in 2015.

Mary's legal career spans more than twenty years. Before joining Tivity Health, Inc, Mary served as a Vice President and Assistant General Counsel with King Pharmaceuticals, Inc. Prior to that, she was with the American law firm, White & Case, in Bangkok Thailand. Mary began her legal career as the founding partner of Dirksen Flipse Doran & Le, the first international law offices in Laos and Cambodia.

Mary earned a Juris Doctor degree from Georgetown University Law Center in Washington, DC, and a Bachelor of Arts from Middle Tennessee State University in Murfreesboro, Tennessee.


Adam Holland, Chief Financial Officer

As Chief Financial Officer (CFO), Adam Holland is responsible for all corporate financial functions including planning and analysis, forecasting and budgeting, external reporting, enterprise risk management as well as strategic initiatives and procurement. Holland joined Tivity Health as CFO in 2017.

Holland has served in a variety of executive financial roles throughout his career, including a 12-year tenure at retailer Kirkland’s, Inc., where he became Chief Financial Officer in 2015. Holland also spent three years earlier in his career as a senior auditor with Ernst & Young, LLP.

Holland holds a Bachelor of Science degree in Business Administration and a Master of Accountancy from the University of Tennessee at Martin.


Tommy Lewis, Chief Operating Officer

As Chief Operating Officer, Tommy Lewis is responsible for enterprise operations, transformation, information and technology, investor relations and communications. Lewis joined Tivity Health in 2018 and was previously the Chief Transformation Officer and Chief of Staff to the CEO. Lewis has a successful track record of leading enterprise initiatives, operations, customer experience, marketing and communications for healthcare organizations, and he has been instrumental in the integration efforts following the acquisition of Nutrisystem by Tivity Health in March 2019. Prior to joining Tivity Health, he served as Senior Vice President of Strategic Initiatives at Change Healthcare. He has also previously held several leadership positions focused on technology, customer experience, marketing and growth initiatives. In 2018, Lewis was named HIMSS National Chapter Leader of the Year. In 2017, he earned the Investor Relations Charter (IRC®) credential awarded by the Certification Council of the National Investor Relations Institute (NIRI), and in 2016 he was awarded the Spirit of the Chamber award for the Nashville Chamber of Commerce. Lewis holds a BS in Computer Information Systems and an MBA in Finance.

Ryan Wagers, Chief Accounting Officer

As Chief Accounting Officer, Ryan Wagers is responsible for all accounting functions including external reporting as well as tax, treasury, and audit. Wagers joined Tivity Health in 2018, bringing over 15 years of experience and a record of delivering operational and financial results in an ever-changing corporate, global market and technological landscape. Prior to joining Tivity Health, he held leadership positions at Sitel Worldwide Corporation where he led a team of over 160 people across 17 countries. He also previously served as Audit Manager with Deloitte LLP and Senior Auditor with PricewaterhouseCoopers LLP. Wagers holds a Master of Accountancy from Belmont University and a Bachelor of Arts degree in Economics from Vanderbilt University.

Arra G. Yerganian, Group Chief Experience and Brand Officer

As the Group Chief Experience and Brand Officer at Tivity Health, Arra Yerganian will drive overall brand strategy for Tivity Health, creating a member-driven, comprehensive, differentiated and unified brand voice, while raising brand awareness and familiarity. He is also responsible for the company’s corporate social responsibility strategy. Prior to Tivity Health, Yerganian served as Chief Marketing / Branding Officer at Sutter Health, One Medical and University of Phoenix. He began his marketing career in 1985 at Procter & Gamble, serving as International Market Manager for multiple international markets. He later worked as Managing Director – International, for the Dial Corporation. Providing innovative, market-driven and value-added solutions has been his focus for the past 25+ years. Yerganian graduated from Boston University and Harvard Business School’s Executive Education Strategic Marketing Management program. He is an active volunteer and Board Chair Emeritus of the Silicon Valley American Red Cross, and a Board member of Rocketship Schools, a nationally acclaimed charter school for inner-city children ages 4-11.

Steve Janicak, President, Healthcare Business Unit

As President, Healthcare Business Unit, Steve Janicak is responsible for top-line growth in Tivity Health’s existing three networks: SilverSneakers, Prime Fitness and WholeHealth Living. He is also responsible for all aspects of the customer and member experience, as well as the company’s efforts to address social isolation and loneliness. Janicak joined Tivity Health, Inc. in 2016 from CareCentrix, where he served as Chief Sales and Marketing Officer. Janicak has more than 30 years of sales and marketing leadership experience, with a proven track record of delivering revenue, profit and market share growth for healthcare services companies, including specific expertise working with Medicare and managed care clients.