Mario Martinez II is the Founder and CEO of MRTNZ Ventures, an investment firm based in Phoenix, Arizona. See portfolio, sector focus and contact routes.
Mario Martinez II is the Founder and CEO of MRTNZ Ventures, an investment firm based in Phoenix, Arizona, and previously served as Founder and CEO of 360 Vantage, which was acquired by IMS Health in 2013. He leads investment strategy targeting pre-seed and seed-stage startups, primarily in enterprise applications, automotive technology, and life sciences sectors. His typical check size ranges from $50,000 to $1 million, with investments focused on early and seed stages. Notable portfolio companies include Picmonic, CampusLogic, and BAYiQ, where he participated in seed or Series A rounds. Martinez is also a Co-Founder and Chairman Emeritus of StartupAZ Foundation and helped launch the #yesphx movement to strengthen Arizona’s startup ecosystem. He emphasizes an operator-first, data-driven investment philosophy and serves as a strategic advisor and board member for early-stage ventures.
This profile is part of the StartupFundraising investor database: focus, portfolio history, disclosed location and contact routes, refreshed as new filings and rounds are ingested. Founders use it to check fit before reaching out and to find investors in Phoenix.
Investors like Mario Martinez II · Full investor directory · Investor access · Company funding database