Sempra announced that it has appointed Richard Mark to the company's board of directors effective Aug. 21, 2023. Richard Mark is the former chairman and president of Ameren Illinois.

He brings 20 years of experience in electric and gas utility operations, customer service, public policy and regulation, as well as broad knowledge and experience with advanced utility technologies and safety and reliability programs. Mark, 68, served as chairman and president of Ameren Illinois from 2012 to 2022. He first joined Ameren in 2002, where he held a series of increasingly responsible management positions for both Ameren Missouri and Ameren Illinois, including senior vice president, customer operations, and vice president, governmental policy and consumer affairs. Before joining Ameren, Mark served as president, chief executive officer and chief operating officer of St.

Mary's Hospital in East St. Louis, IL. He currently serves on the board of directors of Tenet Healthcare Corporation.

Mark holds a bachelor's degree from Iowa State University and a master's degree in management from National Louis University. With the appointment of Mark, Sempra will have 10 directors with five having been newly elected since 2018, reflecting the company's commitment to continue growing and benefitting from fresh insights and perspectives. Mr. Mark was named to serve on the Audit Committee and the Compensation and Talent Development Committee.

The appointment and committee assignments are effective on August 21, 2023.