Mark J. Wishner

• Engineering Solutions and Products, Inc. in connection with its leveraged buy-out by Berkshire Partners.
• KRU Medical Ventures, Inc. in the sale of its managed dialysis centers to DaVita Corporation.
• Centra Technology, Inc. in connection with its acquisitions of Socio-Cultural Intelligence Analysis, Inc., Courage Services Inc. and Strategic Solutions Unlimited, Inc.
• Online Resources Corporation in its initial and follow-on public offerings.
• N.E.W. Customer Service Companies, Inc. in its leveraged buyout by Berkshire Partners.
• SouthPeak Interactive Corporation in becoming a public company through its business combination with a publicly traded special purpose acquisition corporation.
• Online Resources Corporation in its acquisition of Princeton eCom Corp. 
• Speedy Cash. with its reorganization and private equity transaction with Friedman, Fleischer & Lowe. 
• Mercator Partners Acquisition Corp., a publicly-traded special purpose acquisition corporation, in its acquisitions of Global Internetworking, Inc. and European Telecommunications and Technology Limited. 
• Baran Group, Ltd. of Israel in its stock for stock acquisition of 02wireless Solutions, Inc and listing on the NASDAQ Stock Market. 
• Online Resources Corporation in its acquisition of Internet Transaction Solutions, Inc.
• Checksmart Financial Holdings, Inc. in its reorganization and leveraged buyout to Diamond Castle Partners.
• N.E.W. Customer Service Companies, Inc. in its leveraged buyout by T.H. Lee Putnam Ventures and Freeman Spogli and in its leveraged recapitalizations.
• Cellomics, Inc. in its acquisition by Fisher Scientific International Inc. 
• Apptis Holdings, Inc. in its private equity transaction with New Mountain Capital.
• Apptis Holdings, Inc. in its acquisition of SETA Corporation.
• Representation of companies primarily in the government information technology and biotechnology sectors.

• Listed, The Best Lawyers in America, Corporate Law, 2012-2025
  • "Lawyer of the Year," Corporate Law, Washington, D.C., 2023
• Team Member, Corporate Board Member magazine and FTI Consulting Inc., one of "America’s Best Corporate Law Firms," 13^th Annual Legal Industry Study, 2013
• Listed, Chambers USA Guide, 2006-2011
• Rated, AV Preeminent^® 5.0 out of 5.0

°AV^®, AV Preeminent^®, Martindale-Hubbell Distinguished^SM and Martindale-Hubbell Notable^SM are certification marks used under license in accordance with the Martindale-Hubbell^® certification procedures, standards and policies.

• Advisory Committee Member of the George Mason University School of Information Technology and Engineering
• Member of the Committee for the Campaign for George Mason University Students
• President of International Country Club, Fairfax, Virginia, 1996-1997