Please contact us to see how we can help you today. All potential participants must contact the clinic to register to ensure their place in a group. We have a profound respect for the dignity of all of our clients. DBT has strong evidence supporting its use in a range of problems associated with emotion regulation. The GTRC welcomes and respects the diversity of clients, employees and our other stakeholders. We also provide specialist support for families of people with gambling problems, and for couples experiencing relationship difficulties as a result of problem gambling.The Gambling Treatment Clinic (GTC) is a free, confidential, face-to-face counselling Gambling Treatment. The University of Sydney – Gambling Treatment Clinic. About. Individual face to face counselling providing for people with gambling problems and their families. Staff. Our staff are registered Psychologists and Clinical Psychologists. We also run an Intern Program for provisionally registered Psychologists completing their.