MarketAxess Holdings Inc. announced the appointment of Nancy Altobello, as Lead Independent Director of the Board, effective April 13, 2023. She succeeds Stephen P. Casper, who has served in the role of Lead Independent Director since 2012. Mr. Casper will continue his service as a director.

Ms. Altobello brings more than three decades of global audit and talent management experience to the Board. Most recently, she served as Ernst & Young's Global Vice Chair, Talent, where she led the company's global talent function covering more than 250,000 people in over 150 countries. Ms. Altobello joined Ernst & Young in 1980 and held a variety of senior roles including Managing Partner - North American Audit Practice, Managing Partner -Northeast Region Audit and Advisory Practices and Americas Vice Chair, Talent.