This document discusses a thesis project that explores designing new services and technologies to assist patients with type 2 diabetes management. The project focuses on patients who lack social support, as poor management is often due to a lack of understanding and clinical support. Through research, the author found that peer support is key for lifestyle management and can be provided through an online community. The thesis proposes a peer mentor service called CareMentors that is introduced after diagnosis to combat a lack of social support. A prototype was created and evaluated, finding that mentor relationships are beneficial for newly diagnosed or those losing control, and that safety of mentors is important.