The National Swimming Pool Foundation has added four new members to its board of directors, Troy Franzen, managing director of Zodiac Pool Systems; Karl Frykman, Pentair’s senior vice president of water; Captain Julie Gilchrist, a pediatrician and medical epidemiologist recently retired from the Division of Unintentional Injury Prevention at the Centers for Disease Control and Prevention; and Clark Hale, president and CEO at Hayward Industries.
