Colonial Life & Accident Insurance Company in Columbia has promoted four to leadership positions. David Polen has been named director of product development for the marketing and products department. Polen joined the company in 2011. Chris How, who has been with Colonial Life since 2009, is the new director of user experience for the corporate marketing department. Pam Jenkins, who serves as product director for the accident and hospital confinement insurance product lines, now also oversees the company’s life insurance portfolio. Jenkins has been with the company for 27 years. Kasey Stroud, an employee since 2012, has been named director of marketing communications.