Joseph H. Horowitz is the founder and Managing General Partner of Icon Ventures. See sector focus and contact routes.
Joseph H. Horowitz is the founder and Managing General Partner of Icon Ventures, a Palo Alto-based venture capital firm he established in 2003 after a 10-year tenure at U.S. Venture Partners where he worked on Sun Microsystems’ seed financing[1][2]. He leads Series B and C financings in enterprise technology, cybersecurity, digital health, and artificial intelligence, with the firm focusing on companies from Seed through Series B in sectors like data management and consumer technology[4][5]. Horowitz typically acts as a lead partner, having led 38 deals including the latest investment in hardware company Volansi[1][4]. Notable portfolio companies include public firm PLAYSTUDIOS (NASDAQ: MYPS), cybersecurity firms Area 1 Security and Synack, and audio platform TuneIn[1][4][6]. His distinctive point of view emphasizes a hands-on, service-oriented approach that backs entrepreneurs regardless of their journey, and he actively shares insights on Twitter as @JoetheVC[4]. The firm now manages over $1.4 billion in assets, reflecting growth from its initial $100 million fund[4][6].
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