David Johnson was formerly president of the ConvaTec division of Bristol-Myers Squibb, Inc. until 2008 when he orchestrated a sale of the division from its pharmaceutical parent to Avista Capital Partners and Nordic Capital in a deal valued at $4.1 billion. Concurrently, he acquired and integrated the assets of Copenhagen-based Unomedical to expand ConvaTec Inc.’s manufacturing and infrastructure into Europe. From 2008 through 2012, Mr. Johnson served as the chief executive officer of ConvaTec Inc. Prior to his tenure with ConvaTec Inc., Mr. Johnson held several senior positions in the U.S., Europe and Canada with Zimmer Inc., Fisher Scientific, and Baxter Corporation. He served as a member of ConvaTec Inc.’s Board of Directors and the Board of the Advanced Medical Technology Association (AdvaMed), where he chaired the Global Wound Sector Team for four years. Mr. Johnson received an undergraduate business degree in marketing from the Northern Alberta Institute of Technology in Edmonton, Alberta, Canada, completed the INSEAD Advanced Management Program in Fontainbleau, France, and is a fellow from the Wharton School of the University of Pennsylvania. Mr. Sapirstein, a graduate of the Rutgers University Ernest Mario School of Pharmacy, brings over twenty five years of pharmaceutical industry experience to Alliqua ranging from start-up situations to some of the largest companies in the world. After beginning his career in 1984 as a sales representative with Eli Lilly, he accepted a position at Hoffmann-LaRoche in 1987, where he served for almost a decade as part of its sales and marketing teams. He held a number of positions at Hoffman-LaRoche, leading to his roles as Product Director and International Operations Manager, where he was actively involved with numerous product launches including Toradol® and Rocephin®. In 1996, he became the Director of International Marketing of the Infectious Disease Division at Bristol Myers Squibb ("BMS"). Mr. Sapirstein directed the international HIV product marketing strategy at BMS and was an integral part of the international launch of a number of products at BMS including Maxipime and Videx EC. He also led the efforts at BMS to establish "Secure the Future," a $100 million philanthropic campaign in Africa.

More recently, Mr. Sapirstein has become known in the industry as a start-up and turnaround specialist, mainly for his work at Gilead Sciences, Inc., Serono Laboratories, Inc., and Tobira Therapeutics, Inc. Mr. Sapirstein served in the Global Marketing group at Gilead, beginning in 2000 where he led and developed the global marketing strategy for its flagship HIV drug Viread. He played a key role in the development of the drug combination strategy that resulted in Gilead's acquisition of Triangle's nucleoside portfolio. That acquisition ultimately led to the launch of Truvada, Gilead's multi-billion dollar combination HIV drug. In 2002, he accepted the position of Executive Vice President for Serono Laboratories where he led a team of over 100 professionals to rebuild a struggling HIV and pediatric growth hormone business. In this role he increased sales of Serono's existing products several fold, while forging the U.S. commercialization of Serostim and Saizen. As CEO of privately held Tobira Therapeutics, a New Jersey based biopharmaceutical company focused on the development of novel HIV and infectious disease compounds, he was instrumental in helping to raise over $60 million in venture capital and research funding to enable Tobira to further its scientific development. As a result of those efforts, he was named one of New Jersey's top 50 most influential people in healthcare in 2010 by NJBiz.com.

Steven C. Berger is Chief Financial Officer of Alliqua. He is also Chief Financial Officer and Chief Operating Officer of Harborview Advisors LLC, a New York-based investment firm focused on providing capital to small emerging growth companies. Mr. Berger was the Chief Financial Officer of Global/CHC Worldwide LLC, a chemical coatings company as well as President of Morgan Harris & Co. where he was involved in equity trading. Mr. Berger was the treasurer, controller and chief compliance officer with LaBranche & Co., the parent corporation of LaBranche & Co. LLC, one of the oldest and largest specialists in equity securities listed on the New York Stock Exchange and the American Stock Exchange. Mr. Berger holds a Bachelor of Science degree in business administration with a concentration in finance from Boston University.