Michael Weening is the Chief Executive Officer and President of Calix. Michael has held the CEO seat since September 2024, and was previously Senior Vice President, Customer Success, Global Commercial Business at Salesforce.
Current company
Calix
Calix is a telecommunications equipment company.
telecommunicationsHeadquartered in San JoseFounded 1999NYSE: CALX
Source: WikipediaMichael Weening joined Calix in June 2016 and has been CEO since September 2024. Before Calix, Michael was Senior Vice President, Customer Success, Global Commercial Business at Salesforce from July 2014 until June 2016.
Career
Sources: LinkedIn profile
Education
Brock University, Bachelor of Arts, Business Administration focusBrock University, Bachelor of Arts, Business Administration focusQueen's University, Executive Studies: Sales Leadership, Executive Studies: Sales LeadershipQueen's University, Executive Studies: Sales LeadershipUSC Marshall School of Business, Executive Studies: Telecommunications Leadership, Ongoing Executive LearningUSC Marshall School of Business, Executive Studies: Telecommunications LeadershipQueen's University, Executive Studies: Leading Organizational ChangeQueen's University, Executive Studies: Leading Organizational Change, Executive Studies: Leading Organizational ChangeQueen's University, Executive Studies: Strategic AnalyticsQueen's University, Executive Studies: Strategic Analytics, Executive Studies: Strategic AnalyticsThe Wharton School, Global CEO ProgramThe Wharton School, Designing and Managing Supply Chains for the FutureThe Wharton School, Designing and Managing Supply Chains for the Future, Designing and Managing Supply Chains for the FutureIESE Business School, Global CEO Program, Global CEO ProgramIESE Business School, Global CEO ProgramSource
110+ decision makers at Calix in Unify, vice president level and above. Choose a function to see who leads it.
Top decision makers at Calix
Vice president level and above, most senior firstMichael Weening leads a leadership team of 4 published executives. The most recent appointment is John Durocher as chief operating officer, in seat since November 2025.
Executive leadership
| Name | Title | In seat since |
|---|---|---|
| Michael Weening | President and Chief Executive Officer | September 2024 |
| Cory Sindelar | Chief financial officer | October 2017 |
| John Durocher | Chief operating officer | November 2025 |
| Shane Eleniak | Chief product officer | January 2023 |
Sources: Calix 2026 DEF 14A
Michael Weening is the Chief Executive Officer and President of Calix. Michael has held the CEO seat since September 2024, and was previously Senior Vice President, Customer Success, Global Commercial Business at Salesforce.
Michael Weening has been CEO of Calix since September 2024, according to LinkedIn profile.
Michael Weening was Senior Vice President, Customer Success, Global Commercial Business at Salesforce from July 2014 until June 2016, according to LinkedIn profile.
Michael Weening has been CEO of Calix for 2 years, since September 2024.
Cory Sindelar (chief financial officer), John Durocher (chief operating officer), Shane Eleniak (chief product officer). Source: Calix 2026 DEF 14A.
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.
