As a child, Tes survived the ravages of war during the Japanese occupation of the Philippines. After losing her husband to cancer, Dr. del Tufo raised two young sons and put them through college, while working on her doctoral degree and holding a full time job. Today she is a community leader, an educator, an organizational consultant, and a technical and motivational writer. She is the author of the book SoloPower: How to Harness the Secret Energy of Living Alone (2014). In March of 2009, Tes was inducted into the Hall of Fame of Delaware Women by Governor Jack Markell.