Executives/ClickHouse CEO
Aaron Katz, CEO of ClickHouse

Who is the CEO of ClickHouse in 2026?

Aaron Katz is the Chief Executive Officer of ClickHouse. Aaron has held the CEO seat since 2021, and was previously Strategic Advisor at Elastic.

Updated September 24, 2026
Time in seat
5 years
CEO since 2021
Career span
29 years
First recorded role January 1997
Founded
2021
Co-founder of ClickHouse
Summary
  • Aaron Katz co-founded ClickHouse in August 2021 and has led it as CEO ever since.
  • Aaron Katz was Chief Revenue Officer at Elastic from July 2014 to April 2020.
  • Aaron Katz holds a bachelor of Science (BS), Managerial Economics from University of California, Davis.

Current company

ClickHouse

ClickHouse is an open-source Column-oriented DBMS (columnar database management system) for online analytical processing (OLAP).

Software DevelopmentFounded 2016Private company

Source: Wikidata
View ClickHouse headcount

Career and education

Aaron Katz has been CEO of ClickHouse since 2021. Before ClickHouse, Aaron was Strategic Advisor at Elastic from March 2020 until August 2020.

Career

  1. ClickHouse2021 to present
    • Co-Founder & CEO
  2. Elastic2014 to 2020
    • Strategic AdvisorMarch 2020 to August 2020
    • Chief Revenue OfficerJuly 2014 to April 2020
  3. Salesforce2002 to 2014
    • Senior Vice President, Enterprise SalesFebruary 2013 to July 2014
    • Senior Area Vice President, Enterprise Corporate SalesApril 2009 to January 2013
    • Area Vice President, Corporate Sales, Asia PacificJune 2005 to March 2009
    • Regional Vice President, SalesJune 2002 to June 2005
  4. BenefitPoint1999 to 2002
    • Sales Operations Manager – National Accounts
  5. Oracle1998 to 1999
    • Consultant, PSG
  6. Sun Microsystems1997
    • Financial Analyst

Sources: LinkedIn profile

Education

University of California, Davis, Bachelor of Science (BS), Managerial EconomicsSource

Decision makers by function

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

Decision maker preview

Top decision makers at ClickHouse

Vice president level and above, most senior first
Jimmy SextonChief Financial Officer · USA@clickhouse.com
WH Baird GarrettChief Legal Officer and Secretary · USA@clickhouse.com
Roopa TangiralaVP of Engineering · USA@clickhouse.com
Mike HaruffVP, Corporate Controller · USA@clickhouse.com
See every decision maker at ClickHouse

Unlock every decision maker at ClickHouse

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

Leadership team at ClickHouse

Aaron Katz leads a leadership team of 3 published executives.

Executive leadership

NameTitleIn seat since
Aaron KatzCo-Founder & CEO2021
Yury IzrailevskyCo-Founder & PresidentNot stated
Alexey MilovidovCo-Founder & CTONot stated

Sources: ClickHouse, our story page

Frequently asked questions

Who is the CEO of ClickHouse?

Aaron Katz is the Chief Executive Officer of ClickHouse. Aaron has held the CEO seat since 2021, and was previously Strategic Advisor at Elastic.

When did Aaron Katz become CEO of ClickHouse?

Aaron Katz has been CEO of ClickHouse since 2021, according to LinkedIn profile.

What did Aaron Katz do before ClickHouse?

Aaron Katz was Strategic Advisor at Elastic from March 2020 until August 2020, according to LinkedIn profile.

How long has Aaron Katz been CEO of ClickHouse?

Aaron Katz has been CEO of ClickHouse for 5 years, since 2021.

Who else leads ClickHouse?

Yury Izrailevsky (Co-Founder & President), Alexey Milovidov (Co-Founder & CTO). Source: ClickHouse, our story page.

Reach ClickHouse'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, ClickHouse. Last verified: September 24, 2026.