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Rob Solomon, the former president and chief operating officer for Groupon, has joined Silicon Valley venture firm Accel Partners as a venture partner. He will focus on evaluating early stage and growth equity opportunities with Accel. Prior to Groupon, Solomon was a venture partner at TCV and also worked as chief executive of travel-focused search engine SideStep.

Harvest Partners has completed the acquisition of AxelaCare Holdings Inc., buying the company from Denver-based buyout shop Excellere Partners. Terms were not disclosed. Harvest Partners is based in New York.

Fredrick D. Scott, formerly the head of ACI Capital Group, has launched a venture capital and private equity firm, FDS. The firm will focus on minority-focused financial and banking institutions.

KPS Capital Partners has closed its KPS Special Situations Fund IV with with $3.5 billion in investor capital commitments. The firm will focus on controlling investments in corporate carve-outs, turnarounds, restructurings, bankruptcies and other special situations. KPS Capital said the fund surpassed its $3 billion target.

PowerSecure International Inc., a publicly traded company, has acquired privately held Solais Lighting Inc. Solais is a Stamford Conn.-based maker of LED lamps and fixtures for commercial and industrial applications. PowerSecure paid $6.5 million in cash plus 675,160 shares of PowerSecure common stock and assumed approximately $200,000 million in negative working capital for a total transaction value of $15 million, the company announced in a press release.

Envysion Inc., a provider of managed video as a service, has named Michelle Shewchuk as its chief financial officer. She joins from Exclusive Resorts, a private equity-backed company. Earlier in her career, Shewchuk worked at Boston’s Berkshire Partners.

TSI Semiconductors has named three new executives: Roger Lee is now chief operating officer; David Bridgeford is chief financial officer; and John Doricko is vice president of Sales and Marketing and president of the company's research and development subsidiary. In addition, the company announced that Michael Gontar, of Wafra Capital Partners Inc., will serve as its chairman.

Angiotech Pharmaceuticals Inc. is selling its Interventional Products Business subsidiaries to Argon Medical Devices, the company announced. Argon Medical Devices is a portfolio company of RoundTable Healthcare Partners. Plano, Texas-based Argon, which makes specialty medical products, is paying $362.5 million in cash, and the deal is expected to close in April.

IceWEB Inc., a provider of storage appliances for cloud and virtual environments, has restructured its debt in a deal with Sand Hill Finance. IceWEB is based near Washington, D.C. The company is traded on the over-the-counter Bulletin Board.

Chicago-based Marathon Capital has added Tim Meyer as a managing director. He will focus on for expanding the firm’s investor contacts and private placement capabilities across the pension, endowment, foundation and institutional debt and private equity channels, the firm said in a statement. Meyer has worked previously in various roles at firms including Duff & Phelps, CRT Capital, and BMO Capital Markets.