Keystone Capital Partners appoints hedge fund veteran to lead new investment platform Submitted 13/08/2020 - 9:16am Keystone Capital Partners has formed a new investment platform led by hedge fund veteran Fred Zaino, which will provide capital solutions for small and midsize public and private companies. During a successful 15-year career at multi-billion-dollar global investment management firm Millennium, Zaino successfully identified and invested in hundreds of companies through bottom-up, fundamental analysis with a focus on the Biotech/MedTech sector.