Gretel

Gretel was founded in San Diego in 2019 by Ali Golshan (CEO), Alex Watson (initially CEO, later Chief Product Officer), John Myers (CTO), and Laszlo Bock (co-founder, Board of Directors), a team with prior backgrounds at Google, Red Hat, AWS/Amazon, and the U.S. National Security Agency. The founders built Gretel to solve what they described as a recurring bottleneck in their prior cybersecurity and data-engineering work: giving developers fast, safe access to realistic data without exposing personally identifiable or sensitive information. Gretel's first product was an open-source synthetic-data library (gretel-synthetics) that trained machine learning models on sensitive datasets while enforcing differential privacy, later wrapped into a commercial SaaS platform and APIs.

Greylock led Gretel's early institutional financing, backing the company at seed stage and then leading its $12 million Series A (announced November 16, 2020; total raised to date $15.5 million), with partner Sridhar Ramaswamy joining as board partner and publicly comparing Gretel's ambition to 'democratizing' data access the way GitHub democratized code. Less than a year later, Gretel closed a $50 million Series B (announced October 7, 2021) led by Anthos Capital, with Section 32 (S32) newly participating alongside existing investors Greylock and Moonshots Capital; this brought total funding to $65.5 million and reportedly valued the company at $320-350 million. No further priced venture round was subsequently reported; total lifetime funding at the time of Gretel's 2025 exit was cited as 'more than $67 million,' implying only modest additional capital (e.g., an extension or debt) was raised after the Series B.

Over 2022-2024, Gretel expanded from tabular/time-series synthetic data into LLM-based synthetic text generation (products marketed under names including Gretel Navigator), and struck cloud go-to-market partnerships with AWS (a strategic collaboration agreement, late 2023), Microsoft Azure (partnership and Microsoft for Startups Pegasus Program membership, late 2023), and Google Cloud (an October 2024 integration simplifying synthetic data generation within BigQuery). The company reported more than 150,000 developers using its platform and roughly 80 employees by early 2025.

Business model

B2B SaaS / API platform sold to developers and enterprises, with usage-based and subscription pricing; also maintained open-source libraries (gretel-synthetics, gretel-python-client) as a developer top-of-funnel.

SaaS subscriptions and API/usage-based fees for synthetic data generation, privacy transforms (differential privacy), and later generative/LLM-based synthetic text and tabular data products (e.g., Gretel Navigator); go-to-market included direct enterprise sales plus marketplace/co-sell partnerships with AWS, Google Cloud, and Microsoft Azure.