ABANA welcomes ABS Equity L/S Strategies. ABS Investment Management LLC is an alternative investment management firm specializing in global equity long/short solutions, with expertise in both emerging markets and early stage investing. Headquartered in Greenwich, CT, the firm began operations in the fall of 2002, and has offices in Hong Kong and Zurich. The Founding Partners – Alain De Coster, Laurence Russian and Guilherme Valle – have been investing in equity long/short funds together since 1994. ABS Equity L/S Strategies’ clients comprise a broad array of sophisticated investors from around the world including Pension Plans (Public, Corporate and Taft Hartley), Endowments, Foundations, Insurance Companies and High Net Worth Individuals.