Lastenia is a licensed marriage and family therapist and core faculty member at Antioch University Seattle in the Couple and Family Therapy program. She joined the faculty at Antioch in 2021. She has been practicing individual, couple, and family therapy since 2014. In her independent solo practice in she provides clinical services for individuals and couples with relationship problems, identity challenges, trauma issues to communities of color. She also specializes in work with veteran families.

Lastenia has served as the editor for the American Family Therapy Academy (AFTA) blog and has made efforts to recruit marginalized clinicians to participate in the blogs to get a well-rounded perspective on therapy. Her research interests involve the reintegration experiences of Black veteran families, as well as looking at intersectional identities and how that impacts reintegration. She completed her dissertation work on the reintegration experiences of Black veterans and their family members. She earned her Doctorate from Northcentral University and her Master’s degree from Mercy College.