MarketAxess Holdings Inc. announced the appointment of Kathryn Sweeney as the Head of Index and ETF Solutions. As Head of Index and ETF Solutions, Ms. Sweeney will be responsible for the development and execution of the MarketAxess index and ETF business strategy. She will lead business and product development efforts by working with industry partners to leverage MarketAxess’ proprietary market data and trading insights to create a suite of indices and portfolio construction solutions.