Extreme Tech Challenge
Extreme Tech Challenge (XTC) is a U.S.-based 501(c)(3) nonprofit and the world's leading platform for fostering collaboration and innovation among startups, corporations, and governments to address global challenges inspired by the UN Sustainable Development Goals. Founded by Silicon Valley venture capitalists Young Sohn and Bill Tai, XTC brings together a diverse network through global startup competitions, innovation showcases, strategic partnerships, and thought leadership discussions. Over 400 VCs, domain experts, and industry leaders volunteer annually, helping entrepreneurs develop and scale solutions that create positive, lasting impact on the world.
Extreme Tech Challenge at a glance
- Total assets
- $278,947
- -7.7% vs 2024
- Revenue (2025)
- $621,767
- -19.1% vs 2024
- Expenses (2025)
- $620,027
- -42.9% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated November 2026.
Who Extreme Tech Challenge funds
How this funder distributes its grants
Grant Size Distribution
1 grant across all recorded years
The most common grant size was under $50K: 1 grant of 1 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2023 it made 1 grant totaling $10K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Sosv Investments LLC Princeton, NJ | Sponsorship - Sosv Climate Tech Summit 2023 | $10,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants |
|---|---|---|---|---|---|
| 2025 | $278,947 | $621,767 | $620,027 | — | — |
| 2024 | $302,284 | $768,566 | $1,086,670 | — | — |
| 2023 | $610,210 | $956,038 | $873,668 | $10,000 | 1 |
| 2022 | $508,211 | $546,934 | $778,277 | — | — |
| 2021 | $757,069 | $399,967 | $702,210 | — | — |
| 2020 | $1,082,048 | $716,957 | $128,097 | — | — |
About Extreme Tech Challenge
Based on IRS filings
Extreme Tech Challenge is a public charity focused on Science & Technology, based in Palo Alto, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $279K in total assets.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Extreme Tech Challenge is led by Young Sohn, Chairman of the Board & President on every filing since 2020; 1 of 5 officers listed in 2025 is compensated.
Officers on the 2025 filing
Young Sohn
Chairman of the Board & President
On filings since 2020
40 hrs/week
No compensation reported
Victoria Slivkoff
Executive Managing Director
On filings since 2020
40 hrs/week
$309K (2021) → $193K (2025)
John Park
Secretary
On filings since 2020
2 hrs/week
No compensation reported
Lars Reger
Board Member
On filings since 2020
4 hrs/week
No compensation reported
William Tai
Board Member & CFO
On filings since 2020
10 hrs/week
No compensation reported
Former officers (3)
- Former: Catherine Bischoff (2020–2024) — Board Member
- Former: Nancy Yuan (2023–2024) — Strategic Program Manager
- Former: Nicole Shanahan (2023) — Board Member
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $193K, to Victoria Slivkoff (Executive Managing Director).
Frequently asked questions about Extreme Tech Challenge
How large is Extreme Tech Challenge?
Extreme Tech Challenge reported $279K in total assets on its 2025 IRS Form 990. Its revenue that year was $622K.
What is Extreme Tech Challenge?
Extreme Tech Challenge is a public charity focused on Science & Technology, based in Palo Alto, CA. It holds $279K in total assets as of 2025.
Where does Extreme Tech Challenge operate?
Extreme Tech Challenge has awarded grants in New Jersey.
What is Extreme Tech Challenge's EIN?
Extreme Tech Challenge's EIN (Employer Identification Number) is 84-1753912. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated November 2026. Sourced from IRS Form 990 filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Extreme Tech Challenge funds
Science & Technology Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Extreme Tech Challenge's focus areas in our free grants database
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Extreme Tech Challenge down — hundreds of funders to go?