10 Constellation Energy leaders in new roles in 2026
Each of these ten Constellation Energy leaders in new roles in 2026 started their current role this year, from regional and fleet operations vice presidents to site engineering directors and a managing director of generation development. A reader can learn how Constellation Energy leaders approach a role they started in 2026 from people who hold one now.
Professionals to explore
Amir Hammad
LinkedInExperience: Managing Director - Generation Development and Innovation · Constellation
Amir Hammad has been Managing Director - Generation Development and Innovation at Constellation since April 2026, based in Baltimore, Maryland. At Constellation, Amir Hammad was also Plant Manager - Hydro from 2023 to 2026 and Director Of Engineering from 2021 to 2023.
Andrew Brewer
LinkedInExperience: Site Engineering Director · Constellation
Andrew Brewer has been Site Engineering Director at Constellation in a role that started in April 2026, based in Yorkville, Illinois. At Constellation, Andrew Brewer also held a Site Engineering Director role from 2024 to 2026 and was Senior Engineering Manager from 2022 to 2024.
Cameron White
LinkedInExperience: Senior Vice President Governance & Services · Constellation
Cameron White has been Senior Vice President Governance & Services at Constellation since August 2026, based in Houston, Texas. Cameron White also lists Vice President Operations at Calpine from December 2024, and was Senior Director of Operations at Calpine from 2024 to 2025 and Asset Management Director at Calpine from 2021 to 2024.
Chris German
LinkedInExperience: Regional Vice President of Operations · Constellation
Chris German has been Regional Vice President of Operations at Constellation since January 2026, based in the San Francisco Bay Area. Chris German was also Regional Vice President Of Operations at Calpine from 2022 to 2026, Vice President, Outage Services at Calpine from 2017 to 2022 and Director of Plant Operations at Calpine from 2013 to 2017.
Donnie Hudak
LinkedInExperience: Vice President, Fleet Support · Constellation
Donnie Hudak has been Vice President, Fleet Support at Constellation since June 2026, based in Wheaton, Illinois. At Constellation, Donnie Hudak was also Plant Manager from 2023 to 2026, a role the profile describes as overseeing the safe and efficient operation of two nuclear power plants, and Director of Site Operations from 2022 to 2023.
Joe Haluska
LinkedInExperience: Site Engineering Director · Constellation
Joe Haluska has been Site Engineering Director at Constellation since January 2026, based in the Quad Cities Metropolitan Area. At Constellation, Joe Haluska was also Senior Engineering Manager from 2024 to 2026 and Operations Shift Supervisor from 2023 to 2024.
Michael Gillin
LinkedInExperience: Senior Vice President, Mid-Atlantic Operations · Constellation
Michael Gillin has been Senior Vice President, Mid-Atlantic Operations at Constellation since February 2026, based in Pottstown, Pennsylvania. Michael Gillin was also Site Vice President at Constellation from 2022 to 2026 and Vice President, Corporate Engineering at Exelon Generation from 2020 to 2021.
Ricky Roberts
LinkedInExperience: Vice President, Fleet Operations · Constellation
Ricky Roberts has been Vice President, Fleet Operations at Constellation since August 2026, based in Houston, Texas. At Constellation, Ricky Roberts was also Director of Operations from 2025 to 2026 and Plant Manager from 2022 to 2025, and was Operations Manager at Exelon Generation from 2017 to 2022.
Ryan Stiltner
LinkedInExperience: Site Vice President · Constellation
Ryan Stiltner has been Site Vice President at Constellation since February 2026, based in Glen Mills, Pennsylvania, with a headline naming Peach Bottom Clean Energy Center. At Constellation, Ryan Stiltner was also Plant Manager from 2023 to 2026 and Director of Operations from 2022 to 2023, and was Site Engineering Director at Exelon Generation from 2020 to 2022.
Ryon Swann
LinkedInExperience: Vice President Technical Services, Constellation Geysers · Constellation
Ryon Swann has been Vice President Technical Services, Constellation Geysers at Constellation since August 2026, based in Reno, Nevada, and the profile describes the current role as leading Technical Services. At Constellation, Ryon Swann was also Director of Engineering from February 2023 to August 2026.
Choose the right perspective
Match the person's function and scope to your question, since a fleet or regional operations leader and a site engineering director see different parts of the business. People whose role started earliest in the year have had the most time in it.
Questions to take into the conversation
- 01What did you focus on in your first months in your current role?
- 02Which parts of your past roles have been most useful in the role you hold now?
- 03How do you decide which priorities to take on first when you step into a new leadership role?
Reaching Constellation Energy leaders in new roles in 2026
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.