Zak Williams Net Worth: Inheritance, Career, and What the Estimates Actually Show

Zak Williams full name Zachary Pym Williams — is Robin Williams' eldest son, a mental health advocate, and the co-founder of wellness company PYM. His estimated net worth sits somewhere between $13 million and $18 million, depending on the source and method used.

Quick Overview

Detail	Information
Full Name	Zachary Pym Williams
Known As	Zak Williams
Born	1983
Father	Robin Williams
Spouse	Olivia June (married October 2020)
Children	McLaurin "Mickey" Clement, Zola June
Education	BA Linguistics, NYU; MBA, Columbia Business School
Current Role	CEO & Co-founder, PYM
Estimated Net Worth	$13M – $18M (estimated, not verified)

What Is Zak Williams' Net Worth — And Why Do Figures Vary?

Two numbers circulate online: $13.3 million and $18 million. Neither is officially confirmed. They come from different sources using different methods, and it's worth understanding what each actually reflects.

The $13.3 million figure comes from Quiver Quantitative, a financial data platform that tracks SEC insider trading filings. It's based entirely on stock holdings in a company called PPHC — specifically, 956,282 shares held by someone listed as "Zachary Wayne Williams."

Here's the issue: Zak Williams' middle name is Pym, not Wayne. That discrepancy is unaddressed by the source, and no other outlet has confirmed these are the same person. Treat that figure with appropriate caution.The $18 million estimate comes from Finance Monthly, a financial publication.

That figure is broader — it factors in an estimated inheritance from Robin Williams' estate plus Zak's own entrepreneurial and investment activity. But it's still a constructed estimate, not a figure drawn from tax records, verified disclosures, or statements from Zak Williams himself.

In practice, net worth figures for private individuals without public company filings are almost always estimates. They're useful for rough orientation, not precise accounting. This is true across many similar profiles Ben Williams' net worth, for instance, follows the same pattern of estimated rather than verified figures.

Robin Williams' Estate and What Zak Is Estimated to Have Inherited

The Estate's Reported Value

When Robin Williams died in August 2014, his estate was widely reported to be worth approximately $100 million. That figure, though, was the gross reported value — before estate taxes, legal fees, trust administration costs, and other deductions.

The Legal Dispute and Its Outcome

Robin Williams' will and estate arrangements became the subject of a well-documented legal dispute between his widow, Susan Schneider Williams, and his three children — Zak, Zelda, and Cody. The dispute centred on personal possessions as well as property, and a settlement was eventually reached in October 2015 — though its specific terms were never made public.

What's broadly understood is that the three children were named as beneficiaries of the primary trust, while Susan Schneider Williams retained rights to the family home and certain provisions during her lifetime.

Estimated Inheritance — What Is Modelled, Not Confirmed

Some sources have attempted to reverse-engineer Zak's share by estimating estate taxes (federal rate of 40% on amounts exceeding the 2014 exemption threshold), legal costs, and trust fees, then dividing the remainder equally among the three children.

These calculations suggest Zak's share could be in the range of $15–17 million, with additional proceeds expected from the eventual sale of the Tiburon, California home — which sold in 2020 for $5.35 million.

These are modelled estimates based on publicly known tax rates and reported estate values. The actual distribution figures are private. No official documentation has been released confirming what any of Robin Williams' children received.

Also Read: Wes Hall Net Worth

Zak Williams' Career and What He Has Built Independently

Early Roles in Tech and Media

Before founding PYM, Zak worked across several industries. He served as COO at Crossing Minds, a recommendation platform. Before that, he was Director of Business Development at Condé Nast and held a marketing lead role at gaming and media platform N3TWORK.

These weren't entry-level positions they reflect a deliberate career built on an NYU linguistics degree and a Columbia MBA.He also had brief appearances in film and television early on, including The Graduates (2008) and the show Extra (1994), though entertainment was clearly never his primary path.

PYM — The Company He Co-Founded

In 2020, Zak and his wife Olivia June co-founded PYM (Prepare Your Mind), a nutritional psychiatry company that develops supplements aimed at supporting mental wellness. The name is drawn from Zak's own middle name a deliberate personal connection.

PYM operates in the mental wellness supplement space, a category that has seen considerable growth in recent years. As CNBC has reported, younger consumers are increasingly driving the supplement market, with millennial and Gen Z shoppers now spending significantly more on wellness products than previous generations a broader shift that benefits companies operating in the mental wellness niche.

That said, no revenue figures, funding rounds, or company valuation data for PYM specifically are publicly available. Its contribution to Zak's net worth is real but unquantifiable from public information.

Investment Activity

Zak has also described himself as an investor in healthcare, technology, and consumer goods companies. The specifics which companies, what stakes, what returns are not publicly disclosed.

What's often overlooked is that for someone in Zak's position, investment income from a well-managed inheritance can itself grow substantially over time, separate from any business venture. That compounding effect likely plays a role in current estimates, even if it's never itemised.

Financial commentators like Josh Brown have noted that inherited capital, when actively managed, often grows in ways that make separating "earned" from "inherited" wealth increasingly difficult over time.

Mental Health Advocacy — A Defining Part of His Public Work

Zak has been open about the fact that his father's death by suicide in 2014 left him "traumatised" and "broken," and that his own struggles with depression and anxiety in the years that followed pushed him toward mental health work.

His advocacy roles are formal and ongoing. He serves as a US trustee for United for Global Mental Health, sits on the board of Bring Change 2 Mind (the non-profit founded by Glenn Close), and advises both Inseparable and Project Healthy Minds.

He is also working on a documentary called The Net, focused on reducing access to lethal means at major public structures — a direct engagement with suicide prevention.These roles are not purely symbolic.

Organisations in this space typically rely on board members to contribute to fundraising, policy engagement, and public visibility — all areas where Zak is actively involved.

Personal Background and Family

Zak is Robin Williams' eldest child, born in 1983 from Robin's first marriage to Valerie Velardi. As noted on Robin Williams' Wikipedia page, Robin's full name was Robin McLaurin Williams — which explains why Zak named his son McLaurin "Mickey" Clement, a direct tribute to his grandfather's middle name.

He married Olivia June on World Mental Health Day October 10, 2020 a date that was clearly a deliberate choice.They have two children together. Their son, McLaurin "Mickey" Clement, carries Robin Williams' middle name as a tribute. Their daughter, Zola June, was born in 2021. Zak has spoken publicly about his children watching Robin Williams films — Flubber, Aladdin — and finding joy in them.

Conclusion

Zak Williams' net worth is estimated at $13M–$18M, drawing on both inherited wealth from Robin Williams' estate and his own career. No figure is officially verified. His work through PYM and mental health advocacy defines his public identity more than any financial figure.

Frequently Asked Questions

What is Zak Williams' net worth?

Estimated between $13 million and $18 million depending on the source. Neither figure is officially confirmed. The variance reflects different methodologies — one based on SEC stock filings, the other on modelled inheritance estimates plus career activity.

Is the "Zachary Wayne Williams" on stock trading sites the same person?

Unclear. Quiver Quantitative lists a "Zachary Wayne Williams" with PPHC stock holdings. Zak Williams' middle name is Pym, not Wayne. The identity has not been confirmed or denied publicly.

How much did Zak Williams inherit from Robin Williams?

Not publicly confirmed. Modelled estimates based on reported estate value and standard tax rates suggest a one-third share of the remaining estate, potentially around $15–17 million, but this is not verified.

What does Zak Williams do professionally?

He is CEO and co-founder of PYM, a mental wellness supplement company. He is also an investor and holds board and advisory roles across several mental health non-profits and advocacy organisations.

Is Zak Williams related to country singer Zach Williams?

No. They share a similar name but are unrelated. Zach Williams is a Christian country artist. Zak Williams (Zachary Pym Williams) is Robin Williams' son and a mental health entrepreneur.