Reynolds will be responsible for all aspects of running the mortgage club, including developing the offering and recruiting members.
He will report to Matthew Timmins, joint managing director of the SimplyBiz Group.
Reynolds’ previous roles have included head of sales at BM Solutions, commercial director at Edeus and business development manager at PMS.
Ken Davy, chairman of SimplyBiz, said: “SimplyBiz Mortgages has been growing year-on-year for the last four years and we have some exciting plans ahead.
“We are delighted that Martin has agreed to join us; he has a wealth of experience on both the intermediary and lender side of distribution and we feel he is an excellent fit to help us take SimplyBiz Mortgages to the next level.”
Reynolds said: “Simply Biz Mortgages is a well run and growing business and as part of the SimplyBiz Group is in a strong position to continue expanding and become a strong competitor in the mortgage club world.
“I am pleased to be joining at such an exciting time and I am looking forward to working with the team.”