They will both report to Chris Kirby (pictured), who is head of specialist director and key accounts, and in their roles their will work closely with broker and distribution partners.
Stack has been with the team since 2017, joining as a business development manager for the Midlands. Prior to that he was an event manager at Root Promotions for just under a year.
Mahmood has worked with the firm for just under three years, joining as a regional BDM covering the Northern Home Counties.
She previously worked as a BDM as Metro Bank for just under two years, and has also held roles at The New Homes Group and Alexander Hall.
Kirby said: “Charlie and Anum are valuable members of the team, and these promotions are testament to the hard work they have put in to enhance our relationships with the broker community.
“We’re committed to developing the skills and opportunities for all our people at TML and are pleased to support everyone in reaching their full potential. I very much look forward to working with both Charlie and Anum as they continue their development in their new roles.”
Kirby joined the lender recently from Kensington Mortgages, and in his role he will oversee specialist distributors and work with brokers, with special focus on new build and buy to let.
The lender has also hired Santander’s Sara Palmer as its distribution head.