Milestones Icon: Mark Retzloff

It’s hard to imagine that Boulder would have developed as such a force of the natural products industry without Mark Retzloff.

Retzloff, a 35-year veteran of the industry, is co-founder of both Alfalfa’s Market and Horizon Organic Dairy. Currently, he serves as chairman at Under the Canopy, an organic clothing company based in Boca Raton, Fla.; chairman at Aurora Organic Dairy Corp., an organic dairy manufacturer based in Boulder; and as co-founder and venture partner at Greenmont Capital Partners, a Denver-based venture capital firm focused on sustainable enterprises.

Alfalfa’s Market was founded by Retzloff, Lyle Davis and Hass Hassan in 1979 as…