EVENT INFO
Join a16z general partners, startup founders, and leading executives at Runtime, a multi-day retreat that focuses on building the next generation of successful Al and Infrastructure companies. This event will feature candid discussions, debates, and deep dives on scaling – conversations you won’t find anywhere else.
FEATURED SPEAKERS
Marc Andreessen is a cofounder and general partner at the venture capital firm Andreessen Horowitz. He is an innovator and creator, one of the few to pioneer a software category used by more than a billion people and one of the few to establish multiple billion-dollar companies.
Marc co-created the highly influential Mosaic internet browser and co-founded Netscape, which later sold to AOL for $4.2 billion. He also co-founded Loudcloud, which as Opsware, sold to Hewlett-Packard for $1.6 billion. He later served on the board of Hewlett-Packard from 2008 to 2018.
Marc holds a BS in computer science from the University of Illinois at Urbana-Champaign.
Marc serves on the board of the following Andreessen Horowitz portfolio companies: Applied Intuition, Carta, Coinbase, Dialpad, Flow, Golden, Honor, OpenGov, Samsara, Simple Things, and TipTop Labs. He is also on the board of Meta.
Ben Horowitz is a cofounder and general partner at the venture capital firm Andreessen Horowitz. He is the author of the New York Times bestsellers, The Hard Thing About Hard Things and What You Do Is Who You Are. He also created the a16z Cultural Leadership Fund to connect the greatest cultural leaders to the best new technology companies, and enable more young African Americans to enter the technology industry.
Prior to a16z, Ben was cofounder and CEO of Opsware (formerly Loudcloud), which was acquired by Hewlett-Packard for $1.6 billion in 2007, and was appointed vice president and general manager of Business Technology Optimization for Software at HP. Earlier, he was vice president and general manager of America Online’s E-commerce Platform division, where he oversaw development of the company’s flagship Shop@AOL service. Previously, Ben ran several product divisions at Netscape Communications. He also served as vice president of Netscape’s widely acclaimed Directory and Security product line. Before joining Netscape in July 1995, he held various senior product marketing positions at Lotus Development Corporation.
Ben has an MS and a BA in computer science from UCLA and Columbia University, respectively.
Ben serves on the board of Anyscale, Databricks, Mayvenn, NationBuilder, Navan, Okta ($OKTA), and UnitedMasters.
Mira Murati is the cofounder and CEO of Thinking Machines Lab, a new frontier AI research and product company dedicated to making AI broadly useful and understandable.
Prior to launching Thinking Machines in December 2024, Mira served as Chief Technology Officer at OpenAI. As CTO, Mira oversaw OpenAI’s research, product, and safety teams and helped transform the company from a research lab to a global AI leader. She led the development and commercialization of category-defining products including ChatGPT, DALL-E, GPT-4, Codex, Sora, and the o-series of reasoning models that redefined how humans interact with artificial intelligence. ChatGPT became the fastest-growing internet application in history, reaching 100 million users in just two months.
Before joining OpenAI, Mira led the product and engineering teams at Leap Motion, pioneering human-computer interaction through virtual and augmented reality. She also contributed to breakthrough products at Tesla, including the Model X and early Autopilot systems.
Born in Albania, Mira has been recognized by TIME, Fortune, and the Financial Times as one of the most influential people in the world in AI and business. She served on the United Nations’ High-Level Advisory Body on Artificial Intelligence.
Mira holds an engineering degree from Dartmouth’s Thayer School of Engineering and a bachelor of arts degree from Colby College. In 2024, she received an honorary doctorate from Dartmouth for her contributions to democratizing technology and advancing a safer world.
AGENDA
The detailed agenda will be available soon. In the meantime, please refer to the flight arrival and departure details below. All times are listed in Mountain Time (MT).
*a16z will provide group ground transportation between Salt Lake City International Airport (SLC) and Stein Eriksen Lodge. Please see our “Lodging & Transportation” section in our FAQ.
JOIN US IN DEER VALLEY
Get Directions-
Stein Eriksen Lodge
7700 Stein Way
Park City, UT 84060
Phone: 435.649.3700
steinlodge.com - October 22-23, 2025
- Contact Us
FAQ
EVENT OVERVIEW
We are bringing together our top entrepreneurs and leaders in the industry in a relaxed environment to learn from the best of the best. The invite list is closely curated, and we are creating a safe space to connect and share ideas. The conversations will be friendly. No media will be in attendance.
This is an exclusive gathering for a16z infra and growth portfolio company founders along with valued leaders from our network. We expect roughly 125 attendees. Attendance is by invitation only.
Due to limited capacity, a16z-hosted events and programming — including sessions, meals, and group activities — are reserved exclusively for invited attendees. However, if your spouse or partner is joining you on the trip, they are welcome to enjoy the property’s amenities such as the spa, pool, gym, and other recreational offerings during your stay.
Prior to the event, all confirmed registrants will receive the registrant list with full names, companies, and titles.
AGENDA & REGISTRATION
View the Agenda section of the website to see the latest program. The website will be updated on a rolling basis as we confirm speakers, so be sure to check back frequently.
Please register here using the email address where you received your invitation.
If you need to make any updates to your registration details, please email venture-programs@a16z.com.
LODGING & TRANSPORTATION
a16z will provide group ground transportation between Salt Lake City International Airport (SLC) and Stein Eriksen Lodge on October 22 and October 23 based on shared flight information. The SLC airport is approximately a 45-minute ride to the hotel. As the event approaches, an email will be sent to collect your flight details. Please make sure to share your flight details if you’d like to be included in our group transportation.
Your registration confirmation ensures that your lodging at the Stein Eriksen Lodge for Runtime is reserved. a16z will cover the nightly room rate and tax for October 22nd. Guests will be responsible for any additional nights and incidental costs incurred during their stay. If you are checking in early or extending your stay, we cannot guarantee our room rate but will be happy to reach out on your behalf to check availability and pricing.
Please refer to the Agenda section on the website to see the latest program. Please allow for enough time to arrive before the program starts at 11:30am MT on Wednesday, October 22nd. For your departure on Thursday, October 23rd, our programming is currently scheduled to conclude at 11:30am MT. To allow ample time at the airport prior to your departure flight, plan to leave the hotel 2.5 hours before your flight.
QUESTIONS?
Contact venture-programs@a16z.com.