Cleantech Open 2025 Global Forum

20th Anniversary Celebration!

The 2025 Cleantech Open Global Forum arrives in San Jose on October 27-29, co-located with the Trellis Impact 25 / VERGE event. Our marquee gathering showcases the nearly 100 graduating CTO startups plus the US National Pitch Competition and recent CTO Alumni companies. See the Best of the Best early-stage innovators!

Check our 2025 Global Forum Event Site live and frequently updated.

Get your tickets now to join the action:

Global Forum Only Pass - $250 Access all CTO Global Forum activities including:

• CTO Pitch Competition Finals for U.S. Accelerator
• CTO Expo featuring CTO graduated startups with Quick-Pitches
• CTO Awards Ceremony celebrating top Cleantech Open innovators and industry leaders and Networking
• CTO Reception with CTO graduated startups and networking

Global Forum + VERGE Networking Pass - $300 Get the complete experience! This option includes:

• All CTO activities listed above
• PLUS access to the Trellis Impact / VERGE Expo, Keynotes, Networking Events, Sponsored Breakouts (a $375 value by itself!)
• Registration for the VERGE Networking Pass is done separately via a special code. Details will be emailed to you after purchase.

Already bought, or plan to purchase, a VERGE All-Access Conference Pass? Then choose our Global Forum Only Pass first, and then, if you need to, seperately register here to get 20% off VERGE tickets with promo code TI25CTO.

Alumni who purchase Global Forum tickets can also reserve a Showcase Expo table - very limited availability. The cost for an expo table is an additional $200.

CHANGED in 2025: To see and visit all of the CTO companies in our Showcase Expo, you do not need any VERGE Pass option above nor to buy any other pass type directly from VERGE. Access to Trellis Impact / VERGE is completely seperate from Global Forum.

Mon Oct 27:

• 6 PM - CTO Welcome Reception, Hyatt Place Hotel Bar. Meet the '25 cohort, alumni, volunteers, and registered attendees. No-host bar and snacks provided.

Tues Oct 28:

• 9 AM - 3 PM - CTO Expo in SJCC Hall 3 incl 1-Minute Pitches by Startups on stage
• 3 - 5 PM - CTO US National Top 6 Finals Public Pitching to Judging Panel and Public in SJCC Hall 3
• 5 - 6:30 PM - Trellis Impact / VERGE Opening Reception (requires any VERGE Pass)

Wed Oct 29:

• 8 - 10:40 AM - CTO Investor and Partner Connect (private, invite-only; special code needed) - 1:1 curated speed-meetings in SJCC Hall 3
• 10:40 AM - 3 PM - CTO Expo in SJCC Hall 3 incl 1-Minute Pitches by CTO Startups on stage
• 3 - 5:30 PM - CTO Awards Ceremony and Networking in SJCC Hall 3 with heavy hors d'oeuvres- See Finalists and Winners and Keynote speakers
• 5:30 - 7 PM - Trellis Impact / VERGE Reception (requires any VERGE Pass)

Thurs Oct 30: (no CTO events; only VERGE today)

• 9 - 11:30 AM - VERGE Sessions

See the Full Trellis Impact 25 / VERGE Schedule

Accredited Investors and Corporate Tech Scouts (corporate M&A, CVG's, etc): We will host the in-person Investor & Partner Connect event on Wednesday 10/29 in the morning to meet 7-8 curated companies 1-on-1 live and in-person. Curated spots are limited, and you set the priorities for who to meet. Questions / special requests? Contact [email protected]

Thank you for your support of Cleantech Open and the Entrepreneurs bringing their innovations to market! Cleantech Open is a program of Community Partners, a 501(c)3 non-profit in Los Angeles. A portion of your Global Forum Pass may be tax deductible.

Thanks to our national and event sponsors: Wells Fargo, Breakthrough Energy, CalSEED, and NREL Innovation Incubator!

Event Venue & Nearby Stays

Convention Center, San Jose CA, 150 W San Carlos St, San Jose, United States