10 Constellation Energy engineering leaders
Ryon Swann, Vice President Technical Services, Constellation Geysers at Constellation, is one of ten Constellation Energy engineering leaders, alongside people who hold director of engineering, site engineering director and corporate engineering director roles. A reader can learn how engineering leaders work at Constellation Energy from people who have held the role.
Professionals to explore
Andrew Brewer
LinkedInExperience: Site Engineering Director · Constellation
Andrew Brewer has been Site Engineering Director at Constellation since April 2026, and the listing also shows a Site Engineering Director row there dated December 2024 to May 2026. Andrew Brewer held Senior Engineering Manager (2022–2024) and Engineering Manager (2019–2022) roles at Constellation, and the profile headline names equipment reliability.
David Baker
LinkedInExperience: Engineering Director · Constellation
David Baker has been Engineering Director at Constellation in the Huntingtown, Maryland area since February 2024. David Baker was Maintenance Director at Constellation (2022–2024), Maintenance Director at Exelon Generation (2021–2022) and Senior Manager Maintenance Execution at Exelon Generation (2019–2021).
Elmer E. Hernandez
LinkedInExperience: Director of Engineering · Constellation
Elmer E. Hernandez has been Director of Engineering at Constellation in Lusby, Maryland since November 2022, and the profile places the role at the Calvert Cliffs Station. Elmer E. Hernandez was Director Of Engineering (2018–2022) and Director of Operations (2014–2017) at Exelon Generation.
Joe Haluska
LinkedInExperience: Site Engineering Director · Constellation
Joe Haluska has been Site Engineering Director at Constellation in the Quad Cities area since January 2026. Joe Haluska also held Senior Engineering Manager (2024–2026), Operations Shift Supervisor (2023–2024) and Initial License Trainee (ILT) - Senior Reactor Operator (2022–2023) roles at Constellation.
John Clark
LinkedInExperience: Corporate Engineering Director, East Strategic Engineering · Constellation
John Clark has been Corporate Engineering Director, East Strategic Engineering at Constellation since July 2024. John Clark was Senior Manager of Maintenance Preparation (2023–2024) and Corporate Engineering Senior Manager of Mechanical Systems (2022–2023) at Constellation, and held the same mechanical systems role at Exelon Generation (2018–2022).
Karim Habayeb
LinkedInExperience: Director Site Engineering · Constellation
Karim Habayeb has been Director Site Engineering at Constellation in the East Syracuse, New York area since September 2025, and also held a Director Site Engineering row there from 2024 to 2025. Karim Habayeb was Senior Manager Strategic Engineering at Constellation (2022–2024) and Senior Manager Plant Engineering at Exelon Generation (2019–2021).
Nick Favorito
LinkedInExperience: Director of Engineering · Constellation
Nick Favorito has been Director of Engineering at Constellation since November 2024. Nick Favorito was Director of Organizational Performance and Regulatory (2022–2024) and Senior Manager of Operations Support and Services (2022) at Constellation, and Senior Manager of Maintenance Execution at Exelon (2020–2021).
Nick Tolooi
LinkedInExperience: Director of Engineering · Constellation
Nick Tolooi has been Director of Engineering at Constellation in the Chicago area since November 2025. Nick Tolooi also held Senior Manager Strategic Engineering (2024–2025) and Engineering Manager (2023–2024) roles at Constellation, and was an Operations Shift Supervisor at Exelon Generation (2020–2024).
Rachel Heath
LinkedInExperience: Director of Engineering · Constellation
Rachel Heath has been Director of Engineering at Constellation since July 2023, and the profile headline reads Limerick Engineering Director at Constellation. Rachel Heath has also held a Shift Manager row at Exelon Generation since 2018, and was a Senior Reactor Operator (2013–2018) and Reactor Engineer (2007–2013) there.
Ryon Swann
LinkedInExperience: Director of Engineering · Constellation
Ryon Swann has been Vice President Technical Services, Constellation Geysers at Constellation in Reno, Nevada since August 2026, and was Director of Engineering at Constellation from February 2023 to August 2026. These two Constellation rows are the only roles the listing shows for Ryon Swann, and the profile headline reads VP Technical Services, Constellation Geysers.
Choose the right perspective
Match the person's scope, such as one plant's engineering organization, a corporate strategic engineering group or a technical services role, to the decision you face. Note when each person's current role began, since someone new to a site and someone who has led it for years will describe different parts of the work.
Questions to take into the conversation
- 01What took most of your time in your current engineering role, and how did you decide what to handle yourself and what to delegate?
- 02How did you decide which equipment reliability work to take on first at your site?
- 03What did you carry over from earlier roles that changed how you lead engineering teams?
Reaching Constellation Energy engineering leaders
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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.
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