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§ Investor Profile

Zack Sultan

Updated:Apr 2, 2026

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Quick Facts

Role: Designer
Company: Tumblr
Status: Active
Type: Investor

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Recent News & Mentions

Sep 26, 2011FundingTumblr - Other Equity Sep 1, 2011FundingTumblr - Series E Jan 28, 2011FundingTumblr - Other Equity Nov 1, 2010FundingTumblr - Series D Apr 20, 2010FundingTumblr - Other Equity Apr 1, 2010FundingTumblr - Series C Dec 1, 2008FundingTumblr - Series B Oct 1, 2007FundingTumblr - Series A

Experience

DesignerCurrent

Present - Present

Frequently Asked Questions

Who is Zack Sultan?

Zack Sultan is Designer at Tumblr.