Tsouroulla will be taking on the role of head of mortgages at Trinity Lifetime Partners.
Peter Tsouroulla is leaving his position as senior partner at John Charcol, after spending 22 years at the company.
Within his farewell message on LinkedIn, Tsouroulla revealed that he will be taking on the role of head of mortgages at Trinity Lifetime Partners.
Trinity Lifetime Partners is a boutique family wealth office in the centre of London.
In his new role, Tsouroulla will provide clients with independent mortgage advice.
Tsouroulla said: "I have so many happy memories and have met so many smashing professionals whilst at John Charcol.
"It's a great company and the people within it are the best in the industry.
"It's been a complete privilege to work alongside them and I look forward to continuing my longstanding business relationship with the team whilst in my new role."