Dentsply Sirona, York, Pa, announced the appointment of two new executive leadership team members, effectively immediately.

Nicholas Alexos joins as executive vice president, chief administrative officer, reporting directly to Mark Thierer, interim chief executive officer. In this role, Alexos will lead treasury, information technology, business development, strategic planning, and investor relations.

Meanwhile, Keith Ebling joins the company as executive vice president, general counsel, and secretary, also reporting to Thierer. He replaces Jonathan Friedman who resigned from the company.

Alexos was most recently with Madison Dearborn Partners LLC, a Chicago-based private equity firm which he co-founded. Prior to that, he was with First Chicago Venture Capital and the First National Bank of Chicago. He is a CPA and received his MBA from The University of Chicago Booth School of Business.

Ebling comes to Dentsply Sirona from Express Scripts Holding Company, a $100 billion integrated pharmacy benefit management company. He served in a number of legal and leadership roles over his nearly 20 years with the company, most recently as executive vice president and general counsel.  Prior to that, Ebling was an associate with a private firm in St Louis that he joined after graduating as valedictorian and magna cum laude from Saint Louis University School of Law. He also has his MBA from Washington University Olin School of Business.