Board of Directors

Board Meeting Schedule

Marvin G. Lizama, Esq.

Mary Waters-Bilbo, Ed.D., LPC

Board Chairman

Owner and Lawyer, Lizama Law PLLC

Board Vice Chairwoman

Assistant Psychology and Counseling Professor, Northeastern State University

Marvin Lizama is a successful local attorney and Latino leader.  He began his law career in 2006 as an associate at Brewster and De’Angelis P.L.L.C. In 2013 he founded his own firm, Lizama Law, where he focuses on criminal defense, family law, and civil rights cases.  Since 2008, he has served  as President of the Coalition for the American Dream, a nonprofit immigrants’ rights organization.  Mr. Lizama has received many accolades throughout his career including the 2009 Outstanding Young Lawyer Award from the Tulsa County Bar Association, the 2010 Outstanding Junior Alumnus from the University of Tulsa’s College of Law, and the 2010 and 2013 Rising Star Recognition by the Oklahoma Super Lawyers publication. In 2012, he was honored by the Greater Tulsa Hispanic Chamber of Commerce for his exemplary leadership and commitment to community service and currently serves on their board.


Mr. Lizama earned a BA from John Jay College of Criminal Justice and his JD from the University of Tulsa.

Dr. Mary Waters-Bilbo is an experienced educator and active community member. Dr. Waters-Bilbo launched her career teaching high school Spanish in New Jersey. She then worked in Human Resources for Macy’s, Herald Square. She then worked for two Wall Street firms where she was promoted to a Vice President and received a competitive award for superior service to the production areas.  Dr. Waters-Bilbo returned to education as a school counselor; she worked for nine years at a Tulsa Public School where she was promoted to the Student Services Coordinator for Elementary Schools. Currently, Dr. Waters-Bilbo is an Assistant Professor in Psychology and Counseling at Northeastern State University.  She is also the President-Elect for the Oklahoma School Counseling Association and she teaches Level 1 English at Catholic Charities, a free class for immigrant residents of Tulsa.


Dr. Waters-Bilbo earned a BA in Spanish and English Education from Rutgers University and an MA in Counseling Services from Rider University.  She competed her Ed.D. in Educational Leadership from Oklahoma State University.

John W. Senger

Ashley D. Philippsen

Board Treasurer

Financial Analyst, ONEOK Partners


Managing Director of Teacher Leadership

Development, TFA – OK

John Senger is a Tulsan dedicated to bettering our city through civic and community engagement. Mr. Senger began his professional career in 2006 as a Legislative Assistant for United States Congressman John Sullivan in Washington, DC. After six years, he took a break to go back to school and complete his MBA. In 2013, Mr. Senger returned home to Tulsa and currently works as a Financial Analyst at ONEOK Partners where he is responsible for financial analysis, economic modeling and strategic analysis, with experience in the Gas Supply and Corporate Planning & Development divisions. He is actively involved in the Tulsa community as a founding member of Tulsa Area United Way’s Emerging Leaders Society, mentor for Big Brothers Big Sisters of Tulsa, volunteer for the American Cancer Society, and member of Tulsa Ballet’s Barre Society.


Mr. Senger holds a BA in Political Science from the University of Oklahoma and a MBA from SDA Bocconi, in Milan, Italy, with a concentration in finance and strategy from The Wharton School of the University of Pennsylvania.

Ashley Philippsen is a passionate education reformer, dedicated to bringing educational equity to all students. She began her career as a 2007 Teach For America (TFA) Corps Member in Houston. Ms. Philippsen served as a middle school English Language Arts teacher at one of the nation’s highest achieving charter networks, YES Prep Public Schools. After extending her commitment and teaching for three years, she continued her work in ensuring students receive an excellent education by serving as Dean of Students at another YES Prep School.  In 2012, Ms.Philippsen joined the TFA – Oklahoma regional team where she manages and develops managers of teacher leadership development who each influence the outcomes of approximately 30 teachers across under-resourced campuses. She currently serves as senior leader and works to ensure that Tulsa teachers meet regional student achievement, corps member retention, and stewardship goals.


Ms. Philippsen earned a BA in Letters from the University of Oklahoma.

Sara Arzu, P.E. CFM

Kian Kamas

Board Member

Engineering Manager, CGA Engineers, Inc.

Board Member

Director of Government Affairs – Healthcare, Tulsa Regional Chamber

Sara Arzu currently oversees all engineering projects as Engineering Manager for CGA Engineers, Inc.  Earlier in her career, Ms. Arzu worked for New York State Department of Transportation, Port Authority of New York and New Jersey, City of Tulsa Public Works Department, and other local and federal agencies and private engineering firms.  Ms. Arzu has extensive experience designing, inspecting, approving and overseeing all types of public and private infrastructure projects. She also has extensive experience with local ordinances, state standards, and federal regulations and guidelines for infrastructure-related engineering projects. Ms. Arzu is an active member of various professional societies and organizations as well as the community organization serving on several boards including: the American Society of Civil Engineers (ASCE) Tulsa Chapter Vice President from 2006-2009 and the National Taskforce on Mentoring Committee (2005-2006) and the Holy Family School Council Board (2002-2008).  Ms. Arzu is very interested in providing a strong education for children in Tulsa and has also served as judge for the Tulsa Engineering Foundation Math Counts and the First Tech Challenge local competition.


Ms. Arzu graduated from Columbia University, School of Engineering and Applied Sciences (SEAS) with a BS in Civil Engineering.

Kian Kamas is an Oklahoman who is passionate about making a difference in our city and state through government and business. From 2009 to 2011, Ms. Kamas served as the Policy Research and Development Analyst for the City of Owasso.  Currently, she serves as the Director of Government Affairs – Healthcare for the Tulsa Regional Chamber where her responsibilities include directing health care policy for the Chamber, managing policy research and analysis, supervising legislative strategy, and planning the Chamber’s Health Care Forum series.  In addition to health care, Ms. Kamas also handles policy research and analysis for small business, business retention and expansion, labor and human resources, and regional tourism issues. As a member of the government affairs team, she also works extensively with regional partners and elected officials to ensure the success of the OneVoice legislative agenda and other regional priorities. Ms. Kamas served as the Chair of the Chamber’s United Way Committee and Diversity and Inclusion Task Force and currently serves as the President of the Rotary Club of Tulsa.


Ms. Kamas graduated from the University of Oklahoma with a BA in Political Science. She completed her Master’s degree in Comparative Public Policy from the University of Edinburgh on a Rotary International Ambassadorial Scholarship.



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