The document outlines several key challenges for employers in developing successful and effective wellness programs, including lack of employee engagement, understanding employee attitudes, reducing chronic health conditions, and demonstrating the effectiveness of wellness programs to secure executive support and funding. Specifically, it notes that low participation and motivating behavior change are the biggest obstacles cited by employers, that few employers gather feedback or apply behavioral insights, and that employers lack confidence in their ability to implement impactful programs despite being interested in the concepts.