Executives/Oklo CEO
Jacob DeWitte, CEO of Oklo

Who is the CEO of Oklo in 2026?

Jacob DeWitte is the Chief Executive Officer and Co-founder of Oklo. Jacob has held the CEO seat since July 2013, and was previously TA at MIT Reactor Technology Course.

Updated September 24, 2026
Time in seat
13 years
CEO since July 2013
Career span
22 years
First recorded role August 2004
Founded
2013
Co-founder of Oklo
Summary
  • Jacob DeWitte co-founded Oklo in March 2013 and has led it as CEO ever since.
  • Jacob DeWitte was PhD Candidate at Massachusetts Institute of Technology from January 2011 to June 2014.
  • Jacob DeWitte holds a phD, Nuclear Engineering from Massachusetts Institute of Technology and a B.S, Nuclear Engineering from University of Florida.

Current company

Oklo

Oklo is an American nuclear startup company.

nuclear industryHeadquartered in Santa ClaraFounded 2013NYSE: OKLO

Source: Wikipedia
View Oklo headcount

Career and education

Jacob DeWitte has been CEO of Oklo since July 2013. Before Oklo, Jacob was TA at MIT Reactor Technology Course from May 2012 until June 2012.

Career

  1. Oklo Inc2013 to present
    • CEO and Co-Founder
  2. Massachusetts Institute of Technology2008 to 2014
    • PhD CandidateJanuary 2011 to June 2014
    • S.M. StudentSeptember 2008 to January 2011
  3. MIT Reactor Technology Course2009 to 2012
    • TAMay 2012 to June 2012
    • TAJune 2009 to June 2010
  4. GE2008
    • Student Intern
  5. University of Florida2004 to 2008
    • Student
  6. Sandia National Laboratories2006 to 2007
    • Student Intern
  7. Urenco USA2005
    • Student Intern

Sources: LinkedIn profile

Education

Massachusetts Institute of Technology, PhD, Nuclear EngineeringMassachusetts Institute of Technology, S.M., Nuclear EngineeringUniversity of Florida, B.S., Nuclear EngineeringSource

Decision makers by function

20+ decision makers at Oklo in Unify, vice president level and above. Choose a function to see who leads it.

Decision maker preview

Top decision makers at Oklo

Vice president level and above, most senior first
Brian GittSVP, Head of Business Development · USA@oklo.com
Erik LassenSenior Vice President of Engineering · USA@oklo.com
Ross MooreVice President of Regulatory and Oversight · USA@oklo.com
Ed Petit de MangeVP, Fuel Recycling · USA@oklo.com
See every decision maker at Oklo

Unlock every decision maker at Oklo

Get verified profiles, contact data, and live buying signals in Unify.

Leadership team at Oklo

Jacob DeWitte leads a leadership team of 4 published executives. The most recent appointment is William Goodwin as Chief Legal and Strategy Officer, in seat since August 2024.

Executive leadership

NameTitleIn seat since
Jacob DeWitteChief Executive Officer and DirectorJuly 2013
R. Craig BealmearChief Financial OfficerAugust 2023
Caroline DeWitteChief Operating Officer and DirectorJuly 2013
William GoodwinChief Legal and Strategy OfficerAugust 2024

Sources: Oklo 2026 DEF 14A

Frequently asked questions

Who is the CEO of Oklo?

Jacob DeWitte is the Chief Executive Officer and Co-founder of Oklo. Jacob has held the CEO seat since July 2013, and was previously TA at MIT Reactor Technology Course.

When did Jacob DeWitte become CEO of Oklo?

Jacob DeWitte has been CEO of Oklo since July 2013, according to LinkedIn profile.

What did Jacob DeWitte do before Oklo?

Jacob DeWitte was TA at MIT Reactor Technology Course from May 2012 until June 2012, according to LinkedIn profile.

How long has Jacob DeWitte been CEO of Oklo?

Jacob DeWitte has been CEO of Oklo for 13 years, since July 2013.

Who else leads Oklo?

R. Craig Bealmear (Chief Financial Officer), Caroline DeWitte (Chief Operating Officer and Director), William Goodwin (Chief Legal and Strategy Officer). Source: Oklo 2026 DEF 14A.

Reach Oklo's decision makers

20+ leaders at vice president level and above, with verified work emails and phone numbers in Unify.

Methodology

The seat holder is identified in Unify's professional profile dataset, then confirmed against the company's published leadership page, its SEC filings, and Wikipedia before publication. Career and education rows carry the public document they were taken from. Leadership team membership follows the company's own leadership page; in-seat dates come from filings where available and otherwise from the profile record. Company figures are read from the Unify headcount page for the same company and are profile coverage measures, never company-reported workforce totals. The employee preview lists vice president and senior vice president level profiles by department. No personal contact details are published.

Identity confirmed against Wikipedia, Oklo. Last verified: September 24, 2026.