Melanie Thomas Armstrong is the Founder and owner of ThroughLine Consultants, where she uses genetic genealogy to generate investigative leads that help law enforcement close cold cases. She is a retired PricewaterhouseCoopers (PwC) partner and a senior executive with eighteen years of experience at the partner and C-Suite level, seven of those as a Chief Operating Officer (COO). She has been a Partner at four firms: PwC, Guidehouse, Unisys, and Arthur Andersen. She established and led PwC’s (now Guidehouse’s) US International Development practice focused on social impact work addressing critical challenges faced by underprivileged people around the world. She began her career as an auditor and spent two years working in the Czech Republic as it converted from communism to capitalism. She sits on the boards of two international NGOs: Mercy Corps and Leadership Mission International. She is also working on her first book about her time in the Czech Republic. Melanie holds a BA degree in Psychology from the University of California, Los Angeles. She loves to travel from her home base in Virginia, where she resides with her two teenage children.