Former chairman of equity capital markets and equity asset management with Robert W. Baird & Co., William Mahler served approximately 35 years with the company’s offices in Milwaukee, Wisconsin. In addition to employing thorough research analysis and proven active investment strategies to generate solid returns year after year, William Mahler has helped a number of companies find success by fine-tuning their margin profile and overall capital structure.

Since his retirement in 2019, William Mahler has continued his longstanding commitment to charitable organizations that spans multiple sectors. He remains particularly active in the fields of pediatric health and youth education. Much of his work in pediatric health has been centered around the Children's Hospital of Wisconsin and its Herma Heart Institute. Mr. Mahler’s efforts toward children's education have focused on inner-city instruction and mentoring with a concentration on healthy encouragement and empowerment. Organizations benefiting from his support include the faith-based educational nonprofit Casa Romero.