Washington State Investment Board manages state retirement and public fundsIt manages retirement plans. It invests in public equity, fixed income, and alternative investment markets. The fund engages in the following alternative investment strategies: buyouts/corporate finance, distressed debt/turnarounds, energy/oil & gas, international private equity, infrastructure, limited partnership secondaries, mezzanine, real estate, and venture capital.The firm provides its services to public employees, teachers, school employees, law enforcement officers, firefighters and judges.