Within his farewell message on LinkedIn, Tsouralla 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, Tsouralla will provide clients with independent mortgage advice.
Tsouralla 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.”