NiSource announced a series of changes to and additional responsibilities for its executive team, effective June 1. These changes will further advance the company's commitment to customer and employee safety and service across its seven-state operating area. The leaders, all reporting to Hamrock, include: Pablo Vegas, current executive vice president and president, gas utilities, has been named executive vice president, chief operating officer (COO) and president, NiSourceUtilities. In this new role, Vegas will oversee NiSource's gas and electric business segments. This appointment will support the continued advancement of NiSource's safety management system and align investment priorities across NiSource's utility portfolio to deliver operational excellence across its gas and electric segments. Donald Brown, current executive vice president and chief financial officer (CFO), has been named executive vice president, CFO and president, NiSource Corporate Services. Brown's appointment reflects NiSource's focus on driving value through enhanced capabilities, processes and systems across central business organizations including accounting, finance, information technology, supply chain, business services, regulatory services, and internal audit. Violet Sistovaris, current executive vice president and president, NIPSCO, has been named executive vice president and chief experience officer, responsible for NiSource's customer service, human resources and communications functions. In this new role, Sistovaris will bring a singular focus to NiSource's employee and customer experience, focused on enhancing transparency, innovation and customer value to its key stakeholders. Shawn Anderson has been named chief strategy and risk officer, highlighting the importance of aligning NiSource's long-term strategy with stakeholder priorities, including portfolio optimization, renewable energy and growth strategies. This appointment reflects Anderson's key contributions to the company's strategy development. Based on the changes above, announced additional key senior leadership changes: Mike Hooper, current senior vice president regulatory, legislative affairs and strategy, NIPSCO, has been named senior vice president and president, NIPSCO, reporting to Vegas. In this capacity, Hooper will be responsible for NiSource's electric business segment, including its advanced energy and renewable portfolio strategy. Dan Creekmur, current president and COO, Columbia Gas of Ohio, has been named senior vice president and president, gas utilities, reporting to Vegas. In this role Creekmur will have responsibility for NiSource's gas utility companies in Ohio, Indiana, Pennsylvania, Virginia, Kentucky and Maryland. Vince Parisi will be rejoining NiSource on June 8 as president and COO, Columbia Gas of Ohio, reporting to Dan Creekmur.