David I. Portnoy

Chairman of the Board and Co-CEO

Mr. Portnoy has served as Chairman of the Board and Co-Chief Executive Officer of the Company since August 2011.

Since 2002, Mr. Portnoy has served as Chairman of the Board of Directors of Partner Community, Inc., which provides B2B integrations between telecommunication service providers, such as Verizon Communications Inc., and their largest enterprise customers.

Mr. Portnoy’s venture capital company lead early-stage investment rounds in Waves Audio Ltd, the world’s leading developer of audio plugins and signal processors for the professional and consumer electronics audio markets with customers that include DELL, ASUS, JVC, NEC, Denon, and Oppo. Heard on hit records, major motion pictures, and popular video games worldwide, Waves’ cutting-edge software and hardware processors are used in every aspect of audio production, from tracking to mixing to mastering, broadcast, live sound, and more.

Mr. Portnoy has been an advocate of blockchain technology and cryptocurrencies, having first purchased bitcoin in early 2012.

Mr. Portnoy graduated Magna Cum Laude in 1984 from The Wharton School of Finance at the University of Pennsylvania.

Harold D. Berger


Mr. Berger is a certified public accountant. Prior to opening his own accounting practice in 2005, Mr. Berger was an equity partner with Habif, Arogeti & Wynne, LLP, an accounting firm based in Atlanta, Georgia. Over the past 25 years, Mr. Berger also has served on boards for a variety of charitable organizations. Mr. Berger currently serves as Treasurer and Executive Committee Member of the Holly Lane Foundation (f/k/a The Gatchell Home, Inc.), as Director and Finance committee member of the Jewish Educational Loan Fund, Inc., and as Director and financial adviser to The Atlanta Group Home Foundation, Inc. Mr. Berger graduated in December 1987 from the University of Texas at Austin with a Master’s Degree in Professional Accounting. Mr. Berger is a member of the American Institute of Certified Public Accountants (AICPA) and the Georgia Society of Certified Public Accountants (GSCPA).

Brian Sheehy


Mr. Sheehy received his B.A. in Biochemistry and Environmental Science from the University of California, Berkeley, his M.A. from University of Exeter and his M.D. from New York Medical College. Mr. Sheehy is the founder and managing partner, since 2010, of IsZo Capital. Mr. Sheehy was the cofounder in 2002 of Black Horse Capital and managing partner until 2008. He is also a Chartered Financial Analyst.

Mark L. Portnoy

Director and Co-CEO

Mr. Portnoy has served as a Director and Co-Chief Executive Officer since August 2011. During this time, he has helped lead Cryo-Cell to establish a national sales force in 2012, adopt Prepacyte-CB, the most advanced cord blood processing system, in 2014 and acquire the exclusive worldwide rights to it in 2016 and purchase Cord:Use Cord Blood Bank, thereby entering the public cord blood banking industry in 2018.

Additionally, since 2002 and 2007, Mr. Portnoy has served on the boards of directors of Partner-Community, Inc. and uTIPu Inc., a private Internet-based business, respectively.

Mr. Portnoy has been engaged in managing his personal investments since April 1997. From January 1995 to April 1997, Mr. Portnoy was employed at Strome, Susskind Investments as its Chief Fixed Income Trader.

From March 1986 until November 1991, Mr. Portnoy was employed at Donaldson, Lufkin & Jenrette Securities Corp. as a Fixed Income Arbitrage Trader, with a trading portfolio ranging in size from $1 billion to $7 billion.

Mr. Portnoy graduated Phi Beta Kappa from the University of North Carolina at Chapel Hill with a degree in Economics in December 1985.

Daniel Mizrahi