St. Louis University High School is set to welcome a new president next summer. Alan Carruthers has been named to the post, succeeding David Laughlin. Carruthers comes to SLUH from Regis Jesuit High School in Aurora, Illinois, where he serves as principal of the boys’ division.

Racquet Club Ladue has hired a new general manager, John Apostol, who comes to the position from St. Louis Country Club. The Monett, Missouri, native will oversee an extensive renovation project, the largest in the racquet club’s 40-year history.

Dr. Geetika Khanna was appointed chief of pediatric radiology at Washington University’s Mallinckrodt Institute  of Radiology after serving as interim chief for the past year. She also was named radiologist-in-chief at St. Louis Children’s Hospital.

Mid-East Area Agency on Aging announced that chief operating officer Lisa Knoll will become its new executive director in March 2018. She succeeds Mary Schaefer, who is retiring. The organization provides programs and services for more than 40,000 seniors in four area counties.

Radio Ink magazine named John Kijowski one of its ‘Best Managers in Radio’ for 2017. Kijowski is vice president and market manager for Hubbard Radio-St. Louis, which includes local stations 101 ESPN, New Country 92.3 and 106.5 The Arch. He is the only St. Louis radio executive to receive the award this year.