Yvonne Sinclair M.A. Masters in Counseling Psychology Director of Lincoln Counseling Center, Lincoln, CA Webmaster; Author of the Complete Relationship Healing and Enhancement Program and Anger Management Program for Adults, Children, Parents, and Teens. Yvonne Sinclair M.A. has been counseling couples, families, individuals, and children, facilitating counseling groups and workshops, and teaching classes on counseling and relationship issues since 1993. Licensed Marriage Family and Child Counselor State of California