Schultheiss (pictured) spent 12 months at SBG and was chief operating officer before taking the role as group MD.
He was also the managing director of The Unlimited, a South African financial services firm, for six years and prior to that he was chief executive of the Africa division of global real estate group Harcourts International.
MAB chief executive Peter Brodnicki said he was delighted that Schultheiss had chosen to join the MAB team.
“With so many exciting plans for the business, Martin’s experience and skills are just what we need to help ensure we deliver the MAB vision as and when planned, and by doing so delivering maximum value to our appointed representative partners, advisers, and customers,” he said.
“He has high expectations which I like, is extremely focused on delivery, and totally gets how important developments in technology and business models are for MAB and the whole intermediary sector,” he added.
Schultheiss added: “It is a real privilege to be joining the Mortgage Advice Bureau leadership team. MAB is a highly respected business across our industry and has a proven track record of delivering exceptional value to the customer and its adviser base.
“The culture and mindset of the business keeps it at the forefront of innovation, while maintaining excellent values and relationships at its core. I am looking forward to working with great people and achieving great things for our customers and advisers while also having some fun.”
Schultheiss will join MAB on May 4.