Wadelin was previously group finance director of Sesame Bankhall and a divisional director of Misys before retiring in 2010 after 13 years with the group.
Max Wright, chief executive officer of Personal Touch, said: “Mark brings extraordinary industry knowledge and an in-depth understanding of the financial and commercial needs of growing businesses to our team.
“His appointment is a key part of our future vision to deliver an efficient and profitable business to the benefit of staff, members and clients.”
