He became a psychologist in his forties after previously being a business owner. He completed Attachment-Based ISTDP core training in 2025, which is now his primary focus among the various modalities in which he is trained.

Dr Kingma has over 15 years of experience consulting with individuals adjusting to challenging circumstances, including those in demanding environments such as high-performance athletes. These processes often involved addressing anxiety, depression, relationship difficulties and the effects of early emotional trauma.