Mike Winterfield built Active Impact Investments from scratch without prior VC experience, explicitly using his operating background as President at Randstad and senior roles in tech services as his differentiator while learning venture investing on the job. He takes an unusually hands-on, DPI-driven approach at the seed stage, focusing on realized distributions and operational support in sales and talent rather than just paper markups, while positioning climate tech as both his personal mission and professional focus. Mike Winterfield built Active Impact Investments from scratch without prior VC experience, explicitly using his operating background as President at Randstad and senior roles in tech services as his differentiator while learning venture investing on the job. He takes an unusually hands-on, DPI-driven approach at the seed stage, focusing on realized distributions and operational support in sales and talent rather than just paper markups, while positioning climate tech as both his personal mission and professional focus.