Texas RE's 2024 Winter Weatherization Workshop will be held on October 2, 2024, beginning at 9:00 a.m. Central. This workshop is intended for all stakeholders in the Texas Interconnection and will feature speakers from Texas RE and external entities.

Connie Corona is the executive director at the Public Utility Commission of Texas (PUCT), overseeing market analysis, customer protection, infrastructure, legal, utility outreach, compliance & enforcement, rules and projects, and rate regulations divisions, as well as the Texas Energy Fund. Before her current role Connie worked on the development and implementation of state policies for the electric power industry, with a particular focus on the 1999 Texas Electric Choice Act. She also worked as the director of regulatory affairs at NRG. Connie also currently serves as chair of the Executive Board for the State Agency Council to the Governor’s Commission for Women.

Rachel Coyne is the executive chief of staff at Texas RE, where she oversees cross-departmental projects and manages the Reliability Standards program. Before coming to Texas RE she worked on the enforcement team at the Western Electric Coordinating Council (WECC). Rachel has a B.A. in economics from Rhodes College.

Mark Henry is the chief engineer and director of reliability outreach at Texas RE. He has experience in the electric power industry including generation, transmission, and control center assignments as an electrical engineer and engineering supervisor from the Lower Colorado River Authority where he worked for nearly 15 years. He has worked with the bulk power system compliance program since joining the ERCOT ISO in December 1999. Mark is a licensed professional engineer in Texas and holds a BSEE from the University of Texas at Austin.

David Kezell is director of weatherization and inspection at the Electric Reliability Council of Texas (ERCOT). Over the last ten years he has also worked in senior director and director roles at CPS Energy  and Seminole Electric Cooperative in Tampa, Florida respectively. Previously he worked with WorleyParsons (now Worley) in several roles including project manager, director of construction management, and general manager of Chattanooga Operations. Earlier in his career he worked for an independent power producer and consulting engineering firms in the San Francisco Bay area. While there he helped to develop and execute new power projects and worked as an air quality compliance consultant. He is a graduate of The Pennsylvania State University and Arizona State University and is a licensed Mechanical Engineer in California.

Derek Kassimer serves as a senior engineer in the compliance assurance department at NERC. In this position, Derek works with the team providing oversight, guidance, and coordination in numerous areas throughout the electric industry.  In addition, Derek assess various ERO Enterprise programs' effectiveness in implementing risk-based compliance monitoring and adherence to the NERC Rules of Procedure, Compliance Monitoring and Enforcement Program, and approved delegation agreements. Derek graduated from the University of Pittsburgh with bachelors in electrical engineering and masters in industrial engineering.
Mysti Doshier is the assistant division director for the RRC’s critical infrastructure division. She leads the team that coordinates administrative reviews and compliance for the division. Mysti has over 26 years of experience at the RRC. Prior to joining the critical infrastructure division, she was an investigator for the Office of General Counsel. In that role, she assisted the agency’s legal enforcement, hydrocarbon industry, and law enforcement in criminal cases, including oil field theft. Other agency experience includes manager for the oil and gas division’s P-5 financial assurance unit and working in well mapping and central records. Mysti holds a Management Development Certificate from the University of Texas at Austin.
Chris Coleman is ERCOT's has been ERCOT's chief meteorologist since 2012. Prior to joining ERCOT he worked in aviation, doing weather forecasting for the Minneapolis airport, and then retail doing long-range weather forecasting until he joined Exelon in 2008.

Kevin Chaffin is the director O&M at PROENERGY. With over 44 years of technical expertise, his career spans from early experience at HL&P to later roles at Kinder Morgan. Kevin applies his comprehensive knowledge of thermal power systems—including coal-fired units, conventional gas-fired units, combined-cycle and simple cycle units, steam turbines, and heat recovery steam generators—to ensure the safe, reliable, and compliant operation of power plants.