Mike Riegelman, Angel Investor

Mike Riegelman is Managing Partner at S3 Investment Partners, where he leverages decades of experience in sales leadership and business development. Known for his expertise in scaling teams and building strategic partnerships, he has held senior roles across technology and security companies. Previously, Mike served as Vice President of Sales at Solsten and LenelS2, and spent over 13 years at S2 Security Corporation leading global accounts and business development. His career highlights include expanding international markets and driving growth in integrated physical security solutions. As an angel investor, Riegelman supports technology and innovation-focused ventures. His recent investment was in Cimphony, a seed-stage company, reflecting his interest in startups that enhance enterprise solutions and digital transformation.