SAN FRANCISCO--(BUSINESS WIRE)--Qatalyst Group, a leading technology-focused independent investment bank, announced that Preeti Raghupathi has joined the Firm today as a Partner, expanding Qatalyst’s industry leading semiconductor and AI infrastructure advisory practice. Ms. Raghupathi, who most recently was the Global Head of Semiconductor Investment Banking at Wells Fargo Securities, is based at Qatalyst’s San Francisco headquarters and will j…