Marissa Sena-Sheley

Chief People Officer


Marissa joined the MOSAIC corporate team in October 2013 and brings over 10 years of HR experience. Prior to coming to MOSAIC Marissa enjoyed several years at T-Mobile where she served as an HR strategic business leader. During her time at T-Mobile Marissa lead large scale organizational design and development initiatives, facilitated leadership training, and implemented programs to increase employee engagement. Prior to her career at T-Mobile Marissa served as an HR business partner with US Bank with a focus on recruiting and improving the on-boarding process.

Marissa is passionate about leading positive change in the workplace by focusing on and implementing initiatives to increase employee engagement and coaching and developing talent.