Reaction Search International (RSI Executive Search) | 9,336 followers on LinkedIn. RSI is Forbes-ranked, leading global executive recruitment company operating in 35 vertical markets in over 53 locations | RSI Executive Search is a Forbes-ranked, leading global executive recruitment company operating in 35 vertical markets in over 53 locations across the globe. We specialize in recruiting the top 5% leadership from the passive talent; RSI Executive Recruiters strive to deliver the top qualified leadership candidates to fit the job, culture, and future goals of our clients. RSI works with a wide variety of companies, Associations, & Non-Profits from Fortune 500 down to investment-backed start-ups to recruit leadership executives.