What Does Weights & Biases Do?

Total employees322
HeadquartersSan Francisco
Founded2017

WandB (Weights & Biases) is the leading MLOps platform for machine learning practitioners and teams. It provides a suite of developer tools for experiment tracking, data and model versioning, hyperparameter optimization, and model lifecycle management. WandB's mission is to build the best tools for machine learning developers, helping them to build better models faster and collaborate more effectively. The platform is designed to integrate seamlessly with popular ML frameworks and is used by individual researchers, academic institutions, and large enterprises to streamline their AI/ML workflows.

Where Is Weights & Biases's Headquarters?

Weights & Biases officeWeights & Biases officeWeights & Biases officeWeights & Biases office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as the central hub for leadership, core engineering, product development, marketing, and business operations.

Notable Features:

Located in a dynamic area of San Francisco, the office provides a modern and collaborative workspace designed to foster innovation. Specific architectural details are not widely publicized, but it aligns with tech company standards for an inspiring work environment.

Work Culture:

WandB promotes a collaborative, innovative, and fast-paced work environment. There's a strong emphasis on empowering developers and a culture of continuous learning and experimentation. The company actively supports remote work, indicating a flexible, inclusive, and results-oriented culture.

HQ Significance:

The San Francisco headquarters strategically places WandB within the global epicenter of AI and tech innovation, facilitating access to top-tier talent, venture capital, industry partnerships, and a vibrant community of AI researchers and practitioners.

Values Reflected in HQ: The San Francisco HQ reflects WandB's ambition to be at the forefront of AI development. Their support for a distributed team alongside a physical HQ suggests core values of flexibility, prioritizing talent over geographical constraints, and fostering a strong, inclusive company culture.

Location:

WandB supports a global user base of machine learning practitioners and MLOps teams through its cloud-based platform, accessible from anywhere in the world. While headquartered in San Francisco, the company embraces a remote-first approach with a distributed workforce across numerous countries. This global distribution enables continuous development, round-the-clock customer support, and active community engagement across different time zones, ensuring that AI/ML teams worldwide can leverage WandB tools effectively.

Street Address:

640 Post Street

City:

San Francisco

State/Province:

CA

Country:

USA

Where Else Does Weights & Biases Operate Around the World?

Global (Remote)

Address: N/A (Distributed Workforce)

To attract top global talent irrespective of location, foster diversity, and provide localized support and engagement for their worldwide user base.

Buying Intent Signals for Weights & Biases

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

Who's Leading Weights & Biases? Meet the Executive Team

As of April 2025, Weights & Biases' leadership includes:

Lukas Biewald - CEO & Co-founder
Chris Van Pelt - CTO & Co-founder
Shawn Lewis - Co-founder
Yan-David Erlich - COO
Seann Gardiner - Chief Revenue Officer
Karel Dong - VP of Engineering
Phil Gurbacki - VP of Product
Lavanya Shrinagesh - VP of Marketing

Who's Investing in Weights & Biases?

Weights & Biases has been backed by several prominent investors over the years, including:

Insight Partners
Coatue
Felicis Ventures
BOND
Greenoaks
TCV
Trinity Ventures
Neo
Shasta Ventures

What Leadership Changes Has Weights & Biases Seen Recently?

Hire1
Exits0

In the past 12 months (relative to May 2024), WandB strengthened its engineering leadership with the appointment of Karel Dong as VP of Engineering. No major executive departures were publicly announced during this period.

New Appointments:

Karel Dong, Karel Dong was appointed as VP of Engineering to spearhead engineering strategy, team growth, and platform development at WandB.

What Technology (Tech Stack) Is Used byWeights & Biases?

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

Weights & Biases Email Formats and Examples

WandB likely uses common professional email formats. While exact patterns can vary, a typical format for tech companies is [first].[last]@[companydomain] or [first_initial][last]@[companydomain]. For WandB, the domain is wandb.ai.

[first].[last]@wandb.ai

Format

jane.doe@wandb.ai

Example

85%

Success rate

What's the Latest News About Weights & Biases?

WandB BlogFebruary 27, 2024

WandB Achieves SOC 2 Type II Compliance and HIPAA Attestation

WandB announced it has successfully completed its SOC 2 Type II audit and achieved HIPAA attestation, reinforcing its commitment to enterprise-grade security, data protection, and compliance for its MLOps platform....more

WandB BlogJuly 26, 2023

WandB Announces Prompts for LLM-based Application Development

WandB introduced 'Prompts,' a new suite of tools designed to help developers build, evaluate, and manage applications based on large language models (LLMs), integrating prompt engineering and LLMOps into their platform....more

TechCrunchMay 2, 2023

WandB nabs $50M as AI devs flock to its MLOps platform

Weights & Biases (WandB) secured a $50 million Series C extension funding round led by TCV, with participation from existing investors. This funding is aimed at further developing its MLOps platform and expanding its team to meet the rapidly growing demand from AI developers and enterprises....more

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