Who is Will Cathcart? Everything You Need to Know
If you have been following tech news this week, one name keeps coming up — Will Cathcart. But who exactly is he, and why is everyone talking about him right now?
Will Cathcart is the man who spent the last seven years building WhatsApp into one of the most used messaging apps on the planet. On 22 June 2026, he announced he was stepping down as head of WhatsApp — and the tech world has not stopped talking about it since.
In this article, we explain exactly who Will Cathcart is, what he achieved at WhatsApp, why he left, and what happens next for the world’s biggest messaging platform.
What is Will Cathcart’s Background? His Career Before WhatsApp
Before he became the face of WhatsApp, Will Cathcart built a career at some of the biggest technology companies in the world.
Where Did Will Cathcart Study?
Will Cathcart graduated from Colgate University in the United States with a bachelor’s degree in Mathematical Economics. His academic background in mathematics and economics gave him a strong foundation for the technology and business world.
What Companies Did Will Cathcart Work For?
| Company | Role | Years |
|---|---|---|
| Product development — anti-spam for Gmail | Before 2010 | |
| Facebook / Meta | Product lead — News Feed, advertising | 2010 – 2018 |
| Facebook / Meta | VP of Facebook app — Video, Groups, Stories | 2018 |
| Head of WhatsApp | 2019 – 2026 |
Before joining Meta, Cathcart worked at Google, where he led product development for anti-spam technologies across Google’s products, including Gmail. He joined Facebook — now Meta — in 2010 and quickly rose through the ranks.
What Did Will Cathcart Do at Facebook Before WhatsApp?
At Facebook, Cathcart played a major role in shaping the products billions of people use every day. He led the development of News Feed and was responsible for bringing advertising into News Feed and mobile — a decision that helped make Facebook one of the most profitable companies in history.
By 2018, he had become Vice President of the Facebook app, overseeing Video, Groups, Marketplace, News Feed, and Stories.
When Did Will Cathcart Take Over WhatsApp?
Will Cathcart became head of WhatsApp in 2019, one year after joining the WhatsApp team at Meta. He took on the role at a critical moment — WhatsApp was already one of the world’s most popular apps, but it faced growing pressure from regulators, privacy campaigners, and competitors.
What Did Will Cathcart Achieve at WhatsApp? His 7-Year Legacy
Under Will Cathcart’s leadership, WhatsApp went through one of the most impressive growth periods in tech history.
How Many Users Did WhatsApp Gain Under Cathcart?
When Cathcart took over in 2019, WhatsApp had hundreds of millions of users. By the time he stepped down in 2026, the platform had grown to more than 3 billion monthly active users worldwide — making it the most used messaging app on the planet.
What Privacy Features Did Will Cathcart Introduce?
One of Cathcart’s biggest legacies is his fierce commitment to end-to-end encryption. Under his leadership, WhatsApp expanded encrypted messaging to:
- Group chats
- Companion devices
- Encrypted chat backups (2021)
- Private AI chats
- Multiple linked devices
Cathcart became one of the most visible tech executives defending private messaging in front of regulators and lawmakers around the world. He also actively pushed back against spyware companies — most notably the NSO Group — that tried to undermine encryption.
What Other Products Did WhatsApp Launch Under Cathcart?
| Product | Year |
|---|---|
| Encrypted chat backups | 2021 |
| WhatsApp on iPad | 2023 |
| WhatsApp ads introduction | 2025 |
| Private AI chats | 2025 |
| WhatsApp subscription plans | 2026 |
Why Did Will Cathcart Step Down From WhatsApp in 2026?
On 22 June 2026, Will Cathcart announced his departure from WhatsApp on both X (formerly Twitter) and his personal WhatsApp channel.
In his own words, Cathcart said WhatsApp is “in the strongest position it has ever been” — and that this felt like exactly the right moment to step back and hand over to new leadership.
He expressed pride in what the team had built together, particularly around end-to-end encryption now protecting the private conversations of more than 3 billion people worldwide.
Importantly, Cathcart is not leaving Meta. He is moving into a brand new role at the company focused on building new products from the ground up — a fresh challenge for one of tech’s most experienced product leaders.
Meta CEO Mark Zuckerberg praised Cathcart publicly, calling him “one of Meta’s most important and effective leaders” and expressing his excitement about continuing to work together in this new capacity.
Who is Replacing Will Cathcart as Head of WhatsApp?
Will Cathcart’s successor is Kunal Shah — the Indian entrepreneur and founder of the hugely successful fintech company CRED.
Who is Kunal Shah?
Kunal Shah is one of India’s most respected technology entrepreneurs. He is best known for founding CRED in 2018 — a platform that rewards high-earning users for paying their credit card bills on time. Under his leadership, CRED grew into one of India’s most recognised fintech brands, later expanding into lending and insurance.
Before CRED, Shah co-founded FreeCharge, an online recharge platform that Snapdeal acquired in 2015 for around $400 million.
Why Did Meta Choose Kunal Shah for WhatsApp?
Mark Zuckerberg described Shah as someone with a “builder mentality and global perspective” — exactly what WhatsApp needs as it pushes deeper into payments and business tools, particularly in India, which is WhatsApp’s biggest market with over 500 million users.
Shah’s background in fintech and payments makes him the ideal choice as WhatsApp looks to become a serious revenue-generating platform through ads, subscriptions, and financial services.
What is Meta’s Investment in CRED?
As part of the leadership deal, Meta is investing $900 million in CRED, taking a 20% minority stake in the company. This values CRED at $4.5 billion post-money. Shah confirmed that despite the investment, Meta will have no access to CRED’s member data.
Will Cathcart FAQ — Your Questions Answered
Is Will Cathcart the CEO of WhatsApp?
Will Cathcart was the Head of WhatsApp at Meta — not technically a CEO, as WhatsApp operates as a division of Meta rather than an independent company. He reported directly to Meta CEO Mark Zuckerberg. As of June 2026, he has stepped down from this role.
Who is Will Cathcart?
Will Cathcart is an American technology executive who served as Head of WhatsApp from 2019 to 2026. Before WhatsApp, he held senior roles at Facebook and Google. He is widely known as one of the tech industry’s most passionate advocates for private, encrypted messaging.
Who is the New WhatsApp CEO in 2026?
As of June 2026, Kunal Shah — founder of Indian fintech company CRED — has been named the new head of WhatsApp, replacing Will Cathcart.
What is Will Cathcart Doing Now?
Will Cathcart is remaining at Meta in a new role focused on building new products from the ground up. He is not leaving the company — just moving into a fresh challenge within the Meta family.
How Long Was Will Cathcart Head of WhatsApp?
Will Cathcart served as Head of WhatsApp for nearly 7 years, from 2019 to June 2026.
What is Will Cathcart’s Net Worth?
Will Cathcart’s exact net worth has not been publicly confirmed. As a senior executive at Meta — one of the world’s most valuable companies — industry estimates suggest his total compensation over his career runs into the tens of millions of dollars. However, no official figure has been released.
Conclusion: What Will Cathcart’s Departure Means for WhatsApp Users
Will Cathcart leaves WhatsApp in remarkable shape. In seven years, he helped grow the platform from hundreds of millions of users to over 3 billion — making it the world’s most used messaging service.
His greatest legacy is undoubtedly his commitment to end-to-end encryption and his willingness to fight publicly for the right of ordinary people to have private conversations. In an era of increasing surveillance and data concerns, that matters enormously.
For everyday WhatsApp users in the UK and USA, the transition from Cathcart to Kunal Shah is unlikely to change your day-to-day experience immediately. But Shah’s fintech background suggests WhatsApp’s next chapter will focus heavily on payments, business tools, and monetisation — particularly in markets like India.
One thing is certain: Will Cathcart built something remarkable. And whoever comes next has some very big shoes to fill.