Mainsail Partners Strengthens its Operations and Investment Teams with Key Promotions and New HiresTeam updates support Mainsail’s strategy of investing in and providing operational support for bootstrapped software companies. SAN FRANCISCO, Calif., February 8, 2018-- Mainsail Partners (http://www.mainsailpartners.com), a growth equity firm that invests in fast-growing bootstrapped software companies, has promoted Vinay Kashyap to Partner. Kashyap joined Mainsail in 2013 and has been instrumental in executing and managing numerous investments.