Roy Reznick
About Roy Reznick
Roy Reznik is a co-founder and VP of R&D at Wiz, the cloud security company. Crunchbase lists Ami Luttwak, Assaf Rappaport, Roy Reznik and Yinon Costica as Wiz's founders. Sequoia's site describes Wiz as a Sequoia-backed company since 2020.
Before Wiz he co-founded Adallom, where he was VP of R&D, leading research and development and managing the engineering team. Crunchbase also lists him as co-founder and CTO of Kollart and as Director of Product Management at WhereCanItBe. Tracxn dates his startup career to 2012 through Adallom.
A 2025 conference speaker bio lists a Forbes 30 under 30 spot for 2016, a Globes 40 under 40 spot for 2016, and first place in Israel in Google's 2011 CodeJam. He is based in Israel.
Crunchbase shows five personal investments, and Tracxn lists one portfolio company. The sources differ on count, and most of the individual deals are not public. The two investments with public dates are Twine Security (seed, November 2024, per Tracxn) and Twin1 AI (seed, August 2026).
Reznik took part as an angel in Twin1 AI's $20M seed round, announced in August 2026. Bessemer Venture Partners, Tribeca Venture Partners and Aramco Ventures co-led the round. Other angels in the round included Notable Capital's Hans Tung and Dawn Capital co-founder Haakon Overli.
Twin1 AI builds AI-powered digital twins for professional knowledge workers, and law firms are its first customers. It plans to use the funds for hiring in San Mateo and London, go-to-market work and further product development.
Tracxn lists his top investment sectors as enterprise applications and enterprise infrastructure, with portfolio companies in Israel. Twin1 AI, a US and UK company, shows he also backs companies outside Israel. Both known deals were seed rounds. Check size, ownership targets and any stated investment criteria are not public.
- crunchbase.com/person/roy-reznik
- tracxn.com/d/people/roy-reznik/__w_yLW1Bi-tiazvIF0fnWJUjzWOcAqNcqxW0Zj
- siliconangle.com/2026/08/20/twin1-ai-raises-20m-to-put-an-ai-twin-behi
- globallegalpost.com/news/ai-powered-digital-double-platform-start-up-t
- pulse2.com/twin1-ai-raises-20-million-seed-as-digital-twin-platform-au
- 2025.connected-data.london/speakers/roy-reznik
- sequoiacap.com/founder/roy-reznik
- crunchbase.com/organization/wiz-inc
Investing activity
Roy Reznick appears in 1 AI deal tracked by the Lounge deals desk, rounds totalling $20M. The rounds are mostly Seed, with a median round size of $20M. The most recent is Twin1 AI (Seed, $20M, Aug 2026).
Roy Reznick most often invests alongside Tribeca Venture Partners, Aramco Ventures, Bessemer Venture Partners and AGI House Ventures, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Roy Reznick
Who is Roy Reznik?
Roy Reznik is a co-founder and VP of R&D at Wiz. He previously co-founded Adallom, and he also invests as an angel.
Has Roy Reznik invested in AI startups?
Yes. He was one of the angels in Twin1 AI's $20M seed round, announced in August 2026. The round was co-led by Bessemer Venture Partners, Tribeca Venture Partners and Aramco Ventures.
What stage does Roy Reznik invest in?
His two publicly dated investments, Twine Security in November 2024 and Twin1 AI in August 2026, were both seed rounds. He has not published a stage policy.
What is Roy Reznik's check size?
His check size is not public, and we have not listed one. Founders should not assume a figure.
What sectors does Roy Reznik back?
Tracxn lists enterprise applications and enterprise infrastructure as his top sectors. His known investments are in enterprise AI and security-related software.
How can founders reach Roy Reznik?
His public profile is on LinkedIn at linkedin.com/in/royreznik. He has not published a pitch process, so a warm introduction through a shared contact is the likelier route.
Is Roy Reznick an angel investor?
Yes. Roy Reznick invests personally as an angel.
What AI companies has Roy Reznick invested in?
Roy Reznick's AI investments include Twin1 AI. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Roy Reznick invest at?
In the rounds tracked on Lounge, Roy Reznick has invested at Seed, with a median round of $20M.
Who does Roy Reznick co-invest with?
Roy Reznick's most frequent co-investors on Lounge are Tribeca Venture Partners (1 deal), Aramco Ventures (1 deal), Bessemer Venture Partners (1 deal), AGI House Ventures (1 deal) and KittyHawk Ventures (1 deal).