Sage Education Group

About Us


  • Robin Bullington
    Robin Lockard Bullington, Ph.D., is a licensed psychologist with many years of experience as a therapist, educator, and supervisor of psychology interns. Her graduate education in psychology began at Fordham University and concluded with graduation from the University of Houston after she returned to Houston with her family. Her internship and post-doctoral training were completed in New York and California, respectively. She has worked extensively as a therapist with older adolescents and young adults, dealing with issues that include depression, anxiety, grief and loss, chronic illness, and chemical dependency. Dr. Bullington is a member of the Houston Psychological Association and an advisory board member of Cathedral Health Ministries, which operates a mobile health clinic for low-income youth and a mental health clinic for Houston's homeless. She has taught parenting classes in the community, focusing on skills development, as well as parent awareness of their own identity and behavior. A substantial portion of her professional time is spent visiting therapeutic programs. She regularly updates her professional knowledge by attending conferences of organizations such as the National Association of Therapeutic Schools and Programs (NATSAP), the Independent Educational Consultants Association (IECA), and various psychological associations. She is married and the mother of two sons, and can be reached at


  • Ann Montgomery
    Ann Montgomery specializes in guiding students and families through the college choice and application process. She attended Swarthmore College as an undergraduate and received her Master of Education degree in Educational Psychology from the University of Houston. She also holds the Certificate in College Counseling from UCLA and has earned the nationally recognized Certified Educational Planner designation. A good portion of Ann's time is spent visiting college campuses in order to gain up-to-date understanding of the types of students who would thrive there. She also regularly attends and participates in professional conferences, particularly those of the National Association of College Admission Counseling and the Independent Educational Consultants Association, where she has served as Vice President, member of the Board of Directors, and Chair of the College Committee. Ann has also served on the Credentialing Commission and the Executive Committee of the American Institute of Certified Educational Planners.

    Ann delights in assisting students of all abilities to find colleges that are a good match for their interests, needs, and capacities. She enjoys speaking to groups of parents and students to expand their vision of college options and to allay their anxieties about the college application process. Ann serves on the advisory board for Families Empowered, an initiative to help low-income parents who have not won the charter school lottery to find the best school options for their children. She also serves on the board of the Bridgeway Foundation.


  • Calli Christenson
    Calli Christenson has worked in college admissions and advising for over 15 years. She began her career in undergraduate admissions at a small college in Southern California and transitioned to independent consulting in 2010. She has served as a college counselor at several independent high schools, most recently as the Director of College Counseling at a Houston-area private school. Calli is most passionate about helping students understand their potential and identify colleges in which they will thrive as maturing adults. She takes great pride in developing strong relationships with her families and creating space for students to be their unique selves while putting their best foot forward to admission committees. Calli has visited over 100 colleges across the country and devotes several weeks out of each year to visiting campuses and learning more about academic programs and offerings.

    Calli holds a certificate in College Counseling from the University of California at Irvine and is a 2011 graduate of the IECA Summer Training Institute. She is a Professional Member of the Independent Educational Consultants Association (IECA), the National Association of College Admission Counseling (NACAC), and the Texas Association of College Admission Counseling (TACAC).



    Patty Chen provides part-time office support with bookkeeping, document tracking and database management.  She is also available to answer questions regarding the on-line application process for our therapeutic programs. Her professional experience includes administration and finance positions at Baylor College of Medicine and IBM.  She holds a Bachelor of Arts degree from Trinity College in Connecticut and a Master of International Management from the Thunderbird School of Global Management in Arizona.