Greg Sinner is a Founder at XCEL Testing Solutions at XCEL Testing Solutions. Colleagues describe him as "Greg and I were recruiting co-workers at IndyMac in the wholesale prime mortgage division. Greg was consistently in the top two in production throughout the company. He was highly respected by those within our division, as well as by others outside of the recruiting division of the company.", "Greg was one of the key individuals that helped get the physician recruiting department off the ground for Martin Fletcher. He was promptly promoted through the division and quickly became a leader within the company. The hospitals, healthcare systems, and private practices that were his customers learned to trust that he would get the right physician for their particular needs.", and "I met and began working with Greg Sinner at Merritt Hawkins. It was obvious very early on that Greg was going to become an excellent recruiter. As time went by he indeed proved himself to be someone that his customers could depend on and trust to take care of their needs."