Grammarly vs Scale AI: Founders, CEOs and History
Grammarly was founded in 2009 by Max Lytvyn, Alex Shevchenko, Dmytro Lider and is led by Shishir Mehrotra. Scale AI was founded in 2016 by Alexandr Wang, Lucy Guo and is led by Francis deSouza.
Company facts
Founders
Grammarly
Max Lytvyn
Max Lytvyn co-founded Grammarly in 2009 with Alex Shevchenko and Dmytro Lider. The idea came from their MyDropBox work: helping people write well rather than catching plagiarism afterwards.
Alex Shevchenko
Alex Shevchenko co-founded Grammarly in 2009. He had previously co-founded MyDropbox, a plagiarism detection software that was widely used by universities and eventually acquired by Blackboard.
Dmytro Lider
Dmytro Lider co-founded Grammarly in 2009. He served as the primary technical architect during the company's early years in Kyiv, building the highly complex natural language processing (NLP) algorithms required to accurately detect grammatical errors beyond s…
Scale AI
Alexandr Wang
Alexandr Wang co-founded Scale AI in 2016 and was its CEO until June 2025. He led the move from self-driving data into language-model training data and U.S. defense work, and Forbes named him the youngest self-made billionaire in 2022.
Lucy Guo
Lucy Guo co-founded Scale AI with Alexandr Wang in 2016 and led early product and design work. She left in 2018 and later founded the venture firm Backend Capital and the creator platform Passes. Lucy Guo was born in 1994. Guo left Scale AI in 2018.
CEOs and their tenures
Grammarly
- Brad Hoover2011–2023
Former Chief Executive Officer
Serving as CEO from 2011 to 2023, he took a tiny, self-funded Ukrainian startup and transformed it into a massive $13 billion Silicon Valley unicorn before handing the reins to Roy-Chowdhury.
Source - Rahul Roy-Chowdhury2023–2025
Chief Executive Officer
Appointed CEO in 2023, the former Google executive is tasked with completely reinventing Grammarly from a mere 'spell checker' into an enterprise-wide communication assistant.
Source - Shishir Mehrotra2025–present
Chief Executive Officer
As a highly influential Board Member, he helped guide the company's aggressive, multi-billion dollar valuation rounds and its push into generative AI features.
Source
Scale AI
- Alexandr Wang2016–2025
Co-Founder, former CEO and Chairman
Co-founded Scale and ran it until June 2025, when he joined Meta; remains chairman of the board.
Source - Jason Droege2025–2026
Interim Chief Executive Officer
Former chief strategy officer and Uber Eats founder who led Scale through the post-Meta-deal restructuring.
Source - Francis deSouza2026–present
Chief Executive Officer
Former Illumina CEO and Google Cloud COO, appointed CEO effective August 10, 2026 to grow the applications business.
Source
Timeline: Grammarly and Scale AI side by side
2009Grammarly
Grammarly Founded in Kyiv, Ukraine
Max Lytvyn, Alex Shevchenko, and Dmytro Lider founded Grammarly to help people communicate clearly in English.
2011Grammarly
Brad Hoover Becomes CEO
Brad Hoover, a former General Catalyst investor, became CEO; the company later based its headquarters in San Francisco while engineering stayed in Kyiv.
2015Grammarly
Launches Free Chrome Extension & Ignites Viral PLG Growth
Debuted the free Chrome browser extension, transforming Grammarly into an omnipresent consumer phenomenon.
2016Scale AI
Scale AI founded
Alexandr Wang and Lucy Guo founded Scale in Y Combinator's S16 batch.
2017Grammarly
$110M First Outside Funding Round Led by General Catalyst
After eight years of profitable bootstrapping, raised $110 million led by Hemant Taneja at General Catalyst.
2018Grammarly
Grammarly Business Expands Enterprise Offering
Grew its paid offering for corporate teams with admin, billing and style controls.
2018Scale AI
Lucy Guo departs
Co-founder Lucy Guo left the company.
2019Grammarly
$90M Round at $1.0B+ Unicorn Valuation Led by General Catalyst
Achieved official unicorn status, debuting tone detection to evaluate emotional resonance in writing.
2019Scale AI
Series C and unicorn status
Founders Fund led a $100 million round valuing Scale above $1 billion.
2021Grammarly
$200M Financing at $13.0B Valuation Led by Baillie Gifford
Raised $200 million at a $13 billion valuation in a round led by Baillie Gifford and BlackRock funds.
2021Scale AI
Series E at $7.3 billion
Scale raised $325 million at a $7.3 billion valuation.
2023Grammarly
Rahul Roy-Chowdhury Appointed CEO & Launches Grammarly AI
Former Google executive Rahul Roy-Chowdhury became CEO, launching generative AI and contextual email rewrites.
2024Grammarly
Agreement to Acquire Coda
Grammarly agreed to acquire Coda in December 2024; Coda co-founder Shishir Mehrotra became Grammarly's CEO.
2024Scale AI
Series F at $13.8 billion
Accel led a $1 billion round with Nvidia, Amazon and Meta participating.
2025Grammarly
$1B Financing, Superhuman Mail Deal and Rebrand
Closed $1 billion from General Catalyst in May, completed the Superhuman Mail acquisition in July and renamed the company Superhuman on October 29.
2025Scale AI
Meta invests $14.3 billion
Meta took 49% at a valuation above $29 billion; Wang joined Meta and Jason Droege became interim CEO.
2025Scale AI
Layoffs
Scale cut 200 full-time staff and 500 contractors in July.
2026Grammarly
Superhuman Docs Launch and GPTZero Deal
Rebuilt Coda as Superhuman Docs and agreed on June 23 to acquire GPTZero.
2026Scale AI
Francis deSouza becomes CEO
The former Illumina chief took over on August 10, 2026.
Acquisitions
Grammarly
- GPTZero2026Undisclosed
- Superhuman (Superhuman Mail)2025Undisclosed
- Coda2024Undisclosed
Scale AI
- ICG Solutions2026Undisclosed
- SiaSearch2021Undisclosed
- Helia2020Undisclosed
Questions about Grammarly vs Scale AI
Who is the CEO of Grammarly Inc. and Scale AI, Inc.?
Grammarly Inc. is led by Shishir Mehrotra and Scale AI, Inc. is led by Francis deSouza. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.
When was Grammarly Inc. founded vs Scale AI, Inc.?
Grammarly Inc. was founded in 2009 — 7 years before Scale AI, Inc., which was founded in 2016. Grammarly Inc.'s longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger Scale AI, Inc..
How many employees does Grammarly Inc. have compared to Scale AI, Inc.?
Grammarly Inc. employs approximately 1,000 people, while Scale AI, Inc. employs approximately 1,200. Scale AI, Inc. has the larger workforce at 1,200 employees, compared to Grammarly Inc.'s 1,000. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).
Where are Grammarly Inc. and Scale AI, Inc. headquartered?
Both Grammarly Inc. and Scale AI, Inc. are headquartered in United States. Their local rules and tax obligations may still differ.
Who founded Grammarly Inc. and Scale AI, Inc.?
Grammarly Inc. was founded by Max Lytvyn, Alex Shevchenko, Dmytro Lider. Scale AI, Inc. was founded by Alexandr Wang, Lucy Guo.
Which company has a longer operating history — Grammarly Inc. or Scale AI, Inc.?
Grammarly Inc. has been operating for approximately 17 years, making it the more established of the two companies. Scale AI, Inc. has been in operation for around 10 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.
Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Grammarly vs Scale AI overview