OpenAI

Based in San Francisco, United States, OpenAI is a Artificial Intelligence company established in 2015.

OpenAI is an artificial intelligence research and deployment company founded in 2015 and headquartered in San Francisco. It builds general-purpose AI systems, and is best known for the GPT family of large language models, the ChatGPT assistant, the DALL-E image models, and the Sora video model, delivered through consumer apps and a developer API. Following a 2025 restructuring, OpenAI's commercial arm operates as OpenAI Group PBC, a public benefit corporation controlled by the nonprofit OpenAI Foundation, with Microsoft as a major shareholder. Backed by SoftBank, Microsoft, Amazon, and NVIDIA, OpenAI reached a reported valuation near 852 billion dollars in 2026, making it one of the most valuable private companies in the world. It employs 10,292 people, led by Sam Altman (Chief Executive Officer and Co-Founder), across roughly 10,292 tracked profiles. Firmographics, leadership, tech stack and similar companies are detailed below, as of September 2026.

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OpenAI workforce (~10,292 tracked)

Distribution estimated from roughly 10,292 tracked public profiles, as of September 2026. Use it for proportions, not exact headcounts.

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OpenAI leadership

6 current leaders are tracked, led by Sam Altman. Contact details stay locked on this page and are revealed in the app.

Leader	Email	Profile
SASam AltmanChief Executive Officer and Co-Founder	••••@openai.com	Profile →
GBGreg BrockmanPresident	••••@openai.com	Profile →
SFSarah FriarChief Financial Officer	••••@openai.com	Profile →
JPJakub PachockiChief Scientist	••••@openai.com	Profile →
JKJason KwonChief Strategy Officer	••••@openai.com	Profile →
DRDali RajicChief Revenue Officer	••••@openai.com	Profile →

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OpenAI org chart

SASam AltmanChief Executive Officer and Co-Founder

• GBGreg BrockmanPresident
• SFSarah FriarChief Financial Officer
• JPJakub PachockiChief Scientist
• JKJason KwonChief Strategy Officer
• DRDali RajicChief Revenue Officer

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Companies similar to OpenAI

Company	Revenue	Employees	HQ	Founded
AAnthropic	~$4B	2,000+	United States	2021
GGoogle DeepMind	N/A	2,600+	United Kingdom	2010
MMistral AI	~$100M	250+	France	2023
xxAI	~$500M	1,200+	United States	2023
CCohere	~$100M	400+	Canada	2019
MMeta	~$164B	75,000+	United States	2004

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OpenAI tech stack

6 technologies detected on openai.com, as of September 2026.

Technology	Category
PPyTorch	ML Framework
TTriton	GPU Programming
PPython	Language
KKubernetes	Orchestration
MMicrosoft Azure	Cloud
CCloudflare	CDN & Security

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OpenAI recent signals

• CRO transition: Dali Rajic became chief revenue officer in August 2026, succeeding Denise DresserAugust 2026
• Backed by SoftBank, Microsoft, Amazon, and NVIDIA, OpenAI was reported at a valuation of roughly 852 billion dollars in 2026, widely described as the most valuable private company in the world.2026
• OpenAI's revenue run-rate reached roughly 20 billion dollars annualized by the end of 2025 and about 25 billion dollars (around 2 billion dollars per month) by early 2026, up from over 13 billion dollars in reported 2025 revenue.2026
• Fidji Simo, who led OpenAI's Applications division as the company's number-two executive, stepped down from her full-time role in July 2026 to focus on her health and moved to a part-time advisory role; her responsibilities were split among President Greg Brockman, CFO Sarah Friar, and Chief Strategy Officer Jason Kwon.July 2026
• Chief Operating Officer Brad Lightcap transitioned to a special-projects role in 2026, with Chief Revenue Officer Denise Dresser assuming most of his operating responsibilities.2026
• In its 2025 restructuring, OpenAI's for-profit arm became OpenAI Group PBC, a public benefit corporation controlled by the nonprofit OpenAI Foundation, which holds roughly 26 percent, while Microsoft holds about 27 percent.2025

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OpenAI financials

OpenAI news & media

• O
  OpenAI appoints Dali Rajic as Chief Revenue Officer

  OpenAI named Dali Rajic, previously president and COO of Wiz, as chief revenue officer, succeeding Denise Dresser. The company said its products reach more than two million businesses.

  openai.com · August 2026
• O
  Fidji Simo steps down as CEO of Applications

  Fidji Simo, who joined OpenAI in May 2025 as CEO of Applications, stepped down in July 2026 for health reasons and moved to a part-time advisory role.

  openai.com · July 2026
• O
  OpenAI raises $122 billion to accelerate the next phase of AI

  OpenAI closed a $122 billion funding round at a post-money valuation of $852 billion, stating enterprise made up more than 40% of revenue.

  openai.com · March 2026
• T
  Fidji Simo steps down from OpenAI's No. 2 role

  OpenAI's Applications chief Fidji Simo is stepping down from her full-time role to recover from a chronic illness, moving to a part-time advisory position, with her duties divided among Greg Brockman, Sarah Friar, and Jason Kwon.

  techcrunch.com · July 2026

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OpenAI leadership history

Denise Dresser was OpenAI's CRO from 2025 to 2026. Dali Rajic took over the role.