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Ion Open House: Your Passport to Explore Startups & Technologies at Houston’s HQ for Innovation

Category: Clean Energy, CleanTech, ClimateTech, Community Event, Founders & Startups, Houston Energy and Climate Startup Week, Investors & Capital, Keynote, Mentorship, Networking, Start Here

Free

Ion Open House

WHEN

Wednesday

September 17, 2025
11:00 am - 2:00 pm CDT

WHERE

Ion
4201 Main Street
Houston, TX 77002

what

Step inside the Ion and see how the people and companies across industries are pushing innovation forward.

As part of the 2nd Annual Houston Energy and Climate Startup Week, the Ion Open House is your passport to explore Houston’s innovation hub, powered by Rice University.

Inside the Ion, partners across the building will be opening their doors to welcome guests. Experience the ecosystem through multiple floors and explore corporate offices, suites, technology showrooms, interactive experiences, and community & collaborative spaces. Along the way, discover the teams that call the Ion home—meet the bright minds solving some of our world’s most pressing challenges.

You’ll also meet startups showcasing their work throughout the building, including more than +70 startups: on the lower level from the Rice Alliance’s Energy Tech Venture Forum and Clean Energy Accelerator Class 5, on Level 3 with Chevron Studio cohorts, Rice Nexus startups and the Activate Fellows, along with a meet/greet at Persona AI.

🎉 Perks for travelers:

  • Free Industrious day-pass and swag bag (limited availability – first come, first served!)
  • Collect stamps in your Ion Passport as you visit each location for a surprise prize.
  • Lunch is provided, along with light bites and coffee, at many spots along your journey.

Whether you’re a Houston native curious about what’s happening above level one or you’re visiting from out of town, this is your chance to experience the startups and innovators that make the Ion Houston’s HQ for Innovation. The Ion is located in the Ion District, the 16-acre Innovation District in midtown Houston, and is powered by Rice University. 

 

 

SCHEDULE

Program
Time
Location
Greentown Event: Helping Climatetech Startups Succeed Internationally
8:00 am - 10:00 am
Forum Stairs
Check In and Passport Pick Up
11:00 am
Elevators
Hourly Tours with Mentor-in-Residence - Wade Pindor
11:00 am
Top of Forum Stairs
Startup Booths Open
11:00 am - 1:00 pm
Lower Level
Hourly Tours with Mentor-in-Residence Wade Pindor
12:00 pm
Top of Forum Stairs
Red Swan Carbon Credits Showcase
11:30 - 12:30 pm
Third Floor - Red Swan Suite
Hourly Tours with Mentor-in-Residence Wade Pindor
1:00 pm
Top of Forum Stairs
Open House Ends
2:00 pm

PARKING

Ion District Parking Garage

Enter 4111 Fannin Street into your GPS for directions directly to this parking garage, located a block from the Ion. Parking in the Ion District Garage is free for the first two hours.

Red Parking Lot

Enter 4203 Fannin Street into your GPS for directions directly to the red parking lot, located across the street from the Ion. This lot is for overflow guest parking and tenant parking and is free for the first three hours.

For more information and access to pay online for parking in the red lot, click here.

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