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01 Advisors's Overview

Total employees33
HeadquartersSan Francisco
Founded2018

01 Advisors (often referred to as '01A') is a San Francisco-based venture capital firm co-founded in 2018 by Dick Costolo, former CEO of Twitter, and Adam Bain, former COO of Twitter. The firm is built on the premise of providing operational expertise and mentorship to founders, moving beyond just capital investment. 01 Advisors focuses on investing in early to growth-stage technology companies across various sectors, particularly those with strong leadership and the potential for significant scale. They leverage their deep experience in building and scaling global tech companies to help their portfolio companies navigate challenges related to product, go-to-market strategy, company culture, and leadership.

Where is 01 Advisors's Headquarters?

HQ Function

The headquarters serves as the primary hub for all firm activities, including investment decision-making, due diligence, portfolio company support, partner meetings, and operational management.

Notable Features:

Located in the Presidio of San Francisco, offering a unique campus-like environment with historic buildings and scenic views, conducive to focused work and collaboration.

Work Culture:

The work culture at 01 Advisors is described as hands-on, operator-led, and founder-centric. It emphasizes direct engagement with portfolio companies, leveraging the partners' extensive operational backgrounds to provide practical advice and support.

HQ Significance:

Being in San Francisco provides 01 Advisors with direct access to a dense network of entrepreneurs, tech talent, co-investors, and industry experts, keeping them at the forefront of innovation.

Values Reflected in HQ: The choice of a dynamic and historically significant location reflects a blend of established expertise and forward-thinking investment, mirroring their approach to supporting innovative founders.

Location:

While 01 Advisors is headquartered in San Francisco, their investment scope and portfolio company support have a global reach. They invest in companies that often have international aspirations and leverage their network and experience to help these companies expand into new markets. Their focus is on high-potential technology companies, irrespective of their initial geographical base, though many of their investments are in North America.

Street Address:

1 Letterman Dr, Building C

City:

San Francisco

State/Province:

CA

Country:

USA

01 Advisors's Global Presence

Buying Intent Signals for 01 Advisors

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of 01 Advisors

As of April 2025, 01 Advisors' leadership includes:

Dick Costolo - Co-Founder & Managing Partner
Adam Bain - Co-Founder & Managing Partner
Sarah Cannon - Partner
Matt Pincus - Partner
David Rivinus - Partner & COO/CFO
Lauren Guber - Head of Platform

Investors of 01 Advisors

01 Advisors has been backed by several prominent investors over the years, including:

Information regarding specific Limited Partners (LPs) in 01 Advisors' funds is typically confidential and not publicly disclosed.
LPs in venture capital firms like 01 Advisors generally include institutional investors such as university endowments, pension funds, foundations, family offices, and sophisticated high-net-worth individuals.

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

01 Advisors has maintained a stable core leadership and partner team over the past 12 months, with no major publicly announced executive hires or departures at the Managing Partner or Partner level. The firm's focus remains on leveraging its existing experienced team to manage its funds and support its portfolio companies. Any team growth typically occurs at associate or platform levels to support ongoing operations.

Technology (Tech Stack) used by 01 Advisors

Discover the tools 01 Advisors uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

01 Advisors Email Formats and Examples

01 Advisors likely uses standard professional email address formats for its employees, typically combining first names, last names, or initials with their domain '01a.com'. Knowing common patterns can be helpful for outreach.

[first]@01a.com (e.g., adam@01a.com) or [first].[last]@01a.com (e.g., dick.costolo@01a.com)

Format

adam@01a.com

Example

80%

Success rate

News and media

TechCrunchFebruary 28, 2023

Slope lands $18M Series A from 01 Advisors to bring AI-powered B2B payments to marketplaces

01 Advisors led an $18 million Series A funding round for Slope, a company developing AI-driven B2B payment solutions. This investment highlights 01 Advisors' interest in fintech and AI-powered enterprise solutions....more

Axios Pro (Reported)November 16, 2023

01 Advisors Reportedly Targeting $400 Million for Third Fund

Reports emerged that 01 Advisors is in the process of raising its third fund, targeting $400 million. This move signals the firm's continued growth and commitment to investing in promising technology startups....more

FortuneMay 10, 2021

Former Twitter CEO Dick Costolo and COO Adam Bain's VC Firm 01 Advisors Announce New $325 Million Fund

01 Advisors officially announced the closing of its second fund at $325 million. The fund aimed to continue their strategy of backing founders with capital and operational expertise....more

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