Meet the Leadership Team

  • Mike McDonald

    Executive Chairman of the Board, Medifast, Inc.

    Mike joined Medifast's Executive Committee of the Board of Directors in 1998, and has served as Executive Chairman since November 2011. He was named Chief Executive Officer in February 2012.

  • Dan Chard

    Chief Executive Officer, Medifast, Inc.

    With more than 25 years of direct selling, marketing and consumer products experience, Daniel R. Chard serves as Chief Executive Officer of Medifast, Inc. and as a member of Medifast's Board of Directors. Chard joined Medifast in October of 2016.

  • Mona Ameli

    President, OPTAVIA

    Mona Ameli was appointed President of OPTAVIA in 2014 and brings more than 22 years of experience with global organizations in the technology, beauty, and health and wellness spaces.

  • Mike McDonald

    Chairman of the Board Chief Executive Officer, Medifast, Inc.

    Joined Medifast's Executive Committee of the Board of Directors in 1998, has served as Executive Chairman since November 2011, and was promoted to Chief Executive Officer in February 2012.

  • Dan Chard

    Chief Executive Officer, Medifast, Inc.

    With more than 25 years of direct selling, marketing and consumer products experience, Daniel R. Chard serves as Chief Executive Officer of Medifast, Inc. and as a member of Medifast's Board of Directors. Chard joined Medifast in October of 2016.

  • Mona Ameli

    President, OPTAVIA™

    Mona Ameli was appointed President of OPTAVIA in 2014 and brings more than 22 years of experience with global organizations in the technology, beauty, and health and wellness spaces.

  • Michael (Mike) MacDonald
    Executive Chairman of the Board, Medifast, Inc.

    Mike MacDonald joined Medifast's Executive Committee of the Board of Directors in 1998, and was named Executive Chairman in 2011. Following that appointment, he was named Chief Executive Officer of Medifast in 2012, and led the company for 4 years and 9 months.

    As Chief Executive Officer of Medifast, Mr. MacDonald set the groundwork to propel the company for future growth. Under his leadership, the company introduced a new lifestyle brand, OPTAVIA, and improved manufacturing and organizational efficiency that led to higher profitability and strong cash flow for the company.

    Mr. MacDonald has extensive international experience in marketing, sales, and operations. Prior to joining Medifast, MacDonald served as Executive Vice President at OfficeMax, overseeing the $3.6 billion contract division, and also held the role of President of Global Accounts and Marketing from 2004 to 2007, where he directed the rebranding of the Xerox Corporation.

    In addition to serving as Executive Chairman of Medifast, Inc., Mr. MacDonald also serves as the Treasurer and a member of the Board of Directors for the Direct Selling Association.
  • Daniel R. Chard
    Chief Executive Officer, Medifast

    Dan Chard was appointed Chief Executive Officer of Medifast, and a member of Medifast's Board of Directors in October, 2016. Mr. Chard brings more than 25 years of direct selling, marketing, and consumer products experience to his role as Chief Executive Officer and is responsible for overseeing the company's overall strategy and growth plans.

    Before joining Medifast, Mr. Chard served as President and Chief Operating Officer of PartyLite, an affiliate of a portfolio company of The Carlyle Group, which specializes in home fragrance products sold by more than 40,000 independent consultants across 23 countries. Prior to this position, Mr. Chard experienced success in numerous leadership roles during his 17-year tenure at Nu Skin Enterprises, Inc. (Nu Skin), including President of Global Sales & Operations from 2006 to 2015 where he was responsible for managing more than $2.5 billion in revenue across 53 countries as well as overseeing all functions of sales operations for the company.

    Mr. Chard currently serves on the board of the Direct Selling Association, and is an active board member of the Greater Baltimore Committee.
  • Mona Ameli
    President, OPTAVIA

    As President of OPTAVIA, Ms. Ameli has responsibility for the strategic plans, expansion, and development of OPTAVIA, overseeing the key areas of: marketing & communications, sales & field development, and support & experience.

    Ms. Ameli has built her career in the direct selling industry in key cross-functional management and executive leadership roles working with companies including Herbalife International, Shaklee Corporation, and Belcorp USA (Belcorp's US subsidiary) since 1998. In these roles she successfully started, built, and expanded new business divisions and markets, developed and executed strategic growth plans and global brands across North and Latin America, Europe, Middle East, and Asia Pacific.

    Ms. Ameli has been recognized by the Direct Selling News twice as one of the Top 20 Most Influential Women in the Direct Selling Industry. The National Diversity Council also recognized Ms. Ameli as one of the Most Powerful and Influential Women in the state of California. In 2017, Ms. Ameli will be serving her third term on the Direct Selling Association's Board of Directors as the Chair of The Diversity & Empowerment Council.

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