Mark Klein vs Stewart Butterfield

Mark Klein vs Stewart Butterfield

Mark Klein is a venture capital based in San Francisco, California, United States. Stewart Butterfield is a individual/angel based in San Francisco, California, United States across 29 portfolio companies.

• Investor type: Mark Klein — Venture Capital; Stewart Butterfield — Individual/Angel
• Headquarters: Mark Klein — San Francisco, California, United States; Stewart Butterfield — San Francisco, California, United States
• Portfolio companies: Mark Klein — not disclosed; Stewart Butterfield — 29

• Mark Klein — Venture Capital · San Francisco, California, United States · Mark Klein portfolio
• Stewart Butterfield — Individual/Angel · San Francisco, California, United States · 29 tracked deals · Stewart Butterfield portfolio

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