William Koleszar

William Koleszar is the current advisor at Calibrater Health. William has previously worked as the Chief Marketing Officer at American Family Care from January 2015 to December 2019. Before that, they were the Senior Vice President of Marketing at BBVA in the USA from January 2010 to December 2015. Koleszar has also held the position of Chief Marketing Officer at Vesdia Corporation from January 2000 to December 2005 and Vice President of Product Management at RealEstate.com from January 1998 to December 2000.

William Koleszar received a Bachelor of Science in Marketing from Florida State University. William then went on to earn their MBA in Marketing from the University of Central Florida. After working in the marketing field for several years, they decided to pursue post-graduate studies in marketing and leadership at Georgia State University. William has also completed executive education courses in leadership, strategy, and service excellence at Harvard Business School.