He joins the board, which now consists of three executive directors and eight non-executive directors, under the leadership of chairman Robin Smith.
Robin, 48, is a qualified accountant and has a degree in business studies. He has spent his career in retail and financial services and will join the society in January, after a successful period as chief commercial officer for Skipton Building Society.
His previous roles include deputy finance director at Barclaycard, finance director at Barclays Private Banking, group finance director and then chief executive at Scarborough Building Society.
Commenting on his appointment, Robin said, "I am delighted to be joining Leeds Building Society as finance director. Leeds Building Society is a successful, independent member-owned business, with a strong well-capitalised balance sheet and excellent management team. I look forward to using my experience to add value to the members and staff of this long established and successful organisation."