David a Alpern vs Ron Doornink

David a Alpern vs Ron Doornink

David a Alpern is a venture capital based in Los Angeles, California, United States. Ron Doornink is a individual/angel based in Los Angeles, California, United States.

• Investor type: David a Alpern — Venture Capital; Ron Doornink — Individual/Angel
• Headquarters: David a Alpern — Los Angeles, California, United States; Ron Doornink — Los Angeles, California, United States

• David A. Alpern — Venture Capital · Los Angeles, California, United States · David a Alpern portfolio
• Ron Doornink — Individual/Angel · Los Angeles, California, United States · Ron Doornink portfolio

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