Growing at 15-20% year-on-year, Indias retained executive search market has a mix of global search majors, search network firms, mixed model firms, boutique players and even one/two person outfits. Globally, five firms – Spencer Stuart, Heidrick & Struggles, Russell Reynolds, Egon Zehnder and Korn Ferry collectively called SHREK – dominate the executive search space. In India too, their market share is over 50%, say industry insiders.