Board of Trustees

Gurpreet Takher
ISA Board Chair
His most recent journey has led him to found Happy Lab Media, a company focused on creating stories that represent underrepresented children and families so that every child can see themselves in the books, shows and movies they see.
Gurpreet has worked in education by teaching middle school in Baltimore City and by working with disadvantaged youth to help them graduate high school and get into college. He is committed to the idea that giving back and helping others is one of the most noble actions humans can do. He has put this into practice by continuously volunteering and advocating for families and children at risk and in need as well as having raising guide dogs for the blind.
He and his wife have two children at ISA in the French Track.

Kyle Edrington
ISA Board Vice Chair
Kyle holds a Bachelor’s degree in Mathematics and has a passion for understanding how to most effectively utilize data to engage all stakeholders and inform broader operational decisions. The strongest analytics are only as reasonable as the stories they can tell and the direct solutions they can offer.
Kyle and his wife, Jamie, have two daughters who have attended ISA in the French track since early childhood.

Errin Simpkins Travers
ISA Board Secretary
In this role she provides legal advice and counsel to internal business partners with respect to CVS’s partnerships with pharmaceutical manufacturers, contract drafting and negotiations. Errin regularly works with CVS’ trade leadership to formulate strategy regarding pharmaceutical purchases and rebates and other partnerships within the industry.
Before joining CVS Health, Errin was in private practice at the Washington D.C. office of Reed Smith, LLP. While in private practice supported long-term care pharmacy companies, pharmaceutical companies conducting clinical trials, and a medical device manufacturer’s corporate contracting department.
Errin has a passion for exploring new cultures and seeing the world visiting South Africa, Zimbabwe, Thailand and France all before beginning her legal career.
Errin holds a BS in Psychology from Howard University and a JD from Northwestern University Pritzker School of Law. Errin is an active member of Alpha Kappa Alpha Sorority Inc. She and her husband have two daughters who are enrolled in ISA in the French track and a Cavalier King Charles Spaniel named Charlotte.

Anya Lewis
ISA Board Treasurer
A 17 year veteran in the finance industry, she has worked with top financial institutions across the country, including BBVA Compass, GE Capital, Citizens Bank, and Western Alliance Bank. Anya is currently a Vice President in the Wintrust Franchise Finance group and manages a $250 million portfolio of primarily syndicated credits. Anya specializes in financial analysis, structuring and leading complex multi-bank deals.
Recently, she has been involved in ISA’s finance committee and is helping the school with its refinance efforts. As Trustee she can focus her expertise where it can be most impactful for driving the success of the school.
Anya is passionate about education and knows firsthand the unique opportunities that an international school can offer. Born and raised in Tashkent, Uzbekistan, she attended Tashkent International School, which allowed her the opportunity to study abroad in the United States via the Rotary Club’s international Youth Exchange Program.
“My parents were adamant that I spoke at least two languages. The education and the cultural diversity which Tashkent International School provided me, changed the trajectory of my life in the most amazing way. I want those same opportunities for my children.”
Anya Lewis and her husband, Ilia, have two children at ISA who are trilingual. Their international background drives their desire to see ISA prosper.

Eric Glass
ISA Board Trustee
He spent a decade managing the $40B pension for the Arizona State Retirement System (ASRS) and its 600,000+ members and has been an advisor to a variety of early stage companies.
Eric has a BS in Finance and Accounting from Iowa State University (Ivy College of Business) and an MBA in Finance from the University of Minnesota (Carlson School of Business). He also holds the CFA, CPA, and CAIA designations.
Eric is a Board member for the John “Jack” Trice Foundation and has been an active volunteer with the Boys & Girls Club, Junior Achievement, Habitat for Humanity, and Feed My Starving Children. Eric and his wife Vanessa are also the proud parents of two young boys.

Jennifer Holsman Tetreault
ISA Board Trustee
Jenny currently serves as the VP and Associate General Counsel for TPI Composites, a global wind-blade manufacturer with locations throughout the United States, Europe, China, India, and Mexico. She is responsible for the company’s global anti-corruption program, internal investigations and ethics hotline, litigation, HR and employment matters, commercial and contract negotiation, ESG, and domestic/international regulatory compliance. Prior to TPI, Jenny served as the General Counsel of the West and Northwest Regions at US Foods, where she provided practical, timely, and high-quality legal services to a variety of functional groups, including sales, marketing, finance, human resources, and operations. She successfully protected the company’s interests by aggressively litigating, negotiating, and settling a wide variety of legal disputes. She also served in a key leadership role on multi-million-dollar and multi-billion-dollar acquisitions. Before joining US Foods, Jenny served as Division General Counsel for Rural/Metro Corporation, the second largest private medical transportation and fire service provider in the country (with revenue of nearly $1B). In this capacity, she handled contract drafting and negotiation (over 1,000 contracts), litigation, compliance, M&A, risk management, and regulatory matters. She also served as the company’s corporate legal liaison to multiple divisions and managed all litigation, employment, and labor matters on a national basis. During her tenure at Rural/Metro, Jenny successfully guided the company through a financial restructuring and a merger with Envision Healthcare Holdings. From 2007-2012, Jenny served as the Executive Director of Operations and Chief Legal Officer for the Arizona State University Alumni Association, where she was responsible for the operational and financial oversight of the 50-person organization (including a $15M endowment and $5M annual operating budget). In addition, Jenny led all Association fundraising activities and strategic program development. Jenny holds a Juris Doctorate and Master’s in Political Science from Syracuse University, where she was named the Outstanding Law School Graduate. She received a B.S. in Political Science (magna cum laude) from Arizona State University. Mrs. Holsman Tetreault is the past Board Chair for Valley of the Sun United Way and serves on the Women United Global Leadership Council. She also serves on the Board of Directors for numerous community organizations. In recognition for her work in the community, Jenny was named the “Organization Advocate of the Year” by the Phoenix Business Journal in 2021, one of the “Most Influential Women in Business” in 2020 by AZ Business Magazine, and was honored as the “Sustainer of the Year” from the Junior League of Phoenix in 2019. Additionally, she was a “Spirit of Philanthropy” recipient by the Association of Fundraising Professionals in 2018 and was recognized as one of the “Top 10 (National) Attorneys under 40” by the Association of Corporate Counsel in 2017. Jenny graduated from Valley Leadership in 2010 and was a Flinn-Brown Civic Leadership Academy Fellow in 2011.

Stephanie Hughes
ISA Board Trustee
Stephanie received her bachelor’s degree in finance from ASU’s W.P. Carey School of Business and is currently an active member and board member of the Entrepreneur’s Organization (EO). She is a true entrepreneur and involved in many different businesses and opportunities. She believes you should always be learning and is committed to investing in personal and professional growth. As she strives to be a teaching leader, she genuinely hopes to have an impact on people that inspires their growth, dedication, and perseverance. She is a 4th generation native to Arizona, has a loving family with 4 kids, and loves to travel, and be outdoors creating amazing life experiences. She has three boys attending ISA in the Spanish track and has been a family at the school for 7 years.

William Ko
ISA Board Trustee
In addition, he has launched over a dozen drugs with emphasis on immunologic and biologic therapies that have revolutionized treatments in diseases such as psoriasis, atopic dermatitis, and infectious diseases. He has been honored by his peers locally and nationally with ‘TOP DOC’ recognition in Phoenix Magazine and the Castle Connolly organization. Moreover, he has served as team dermatologist to the Phoenix Suns for over 15 years. Dr Ko continues his passion for medical innovations by serving both as external partnership director and a member of the scientific advisory board for Biomarck Pharmaceuticals. These roles immerse him with the development of drugs to potentially address disease states such as acute respiratory distress syndrome, cancer, and ocular diseases.
William Ko and his wife, Rene’, have three children at ISA and they both have love and passion for the continued growth and progress of the school and the children ISA develops and matures.

Jim Kuykendall
ISA Board Trustee
Jim worked on the ground in 11 countries in Asia as general counsel (Asia Pacific) for a multinational industrial minerals company. He also served as vice president and general counsel (North America) with the same company, and as sales director managed a $200 million budget selling industrial minerals to Fortune 500 companies. He has experience in mining, industrial minerals, payments/banking, food and beverage, and utility industries.
Jim also owned and operated a successful Arizona business in the underground utility industry.
Jim is a fourth-generation Phoenician and enjoys living in Arizona with his wife and three children. He has been a fundraiser for the Leukemia & Lymphoma Society for 25 years and has completed marathons and was an avid swimmer for many years.
ISA Board of Trustees
As the ISA is a 501(c)(3) corporation, it has a governing board of directors. We encourage interested parties to learn more about the responsibilities of the Board and how to get involved.


Responsibilities of the Board of Directors
The Board consists of up to fourteen (14) members, who meet regularly and serve without compensation and is dedicated to the school’s mission of providing academic excellence through second language immersion. The Board has fiduciary responsibility for governance, policy-making, and strategic planning for our independent, private school.
The Board has 5 Specific Responsibilities:
- To select the Head of School (HOS), approve his/her compensation, and evaluate his/her performance annually.
- To delegate to the HOS administrative functions, including the authority to admit or dismiss students, as well as to appoint or remove employees.
- To monitor the school’s financial health and management, approve capital expenditures, adopt annual capital and operating budgets, hold major fundraising events, and otherwise take steps that may be necessary to protect the financial stability of the school.
- To define and promulgate the general policies for the school necessary for its effective operation, including financial, employment, operating and educational policies and procedures, and to ensure their effective implementation.
- To advise the HOS and require specific board approval on matters that may have a material effect on the educational or financial health of the school.
Now Enrolling for 2023-2024

Kyle Edrington
Vice-Chair of ISA Board of Directors
Founder of Edrington Health Consulting
Kyle holds a Bachelor’s degree in Mathematics and has a passion for understanding how to most effectively utilize data to engage all stakeholders and inform broader operational decisions. The strongest analytics are only as reasonable as the stories they can tell and the direct solutions they can offer.
Kyle and his wife, Jamie, have two daughters who have attended ISA in the French track since early childhood.

Gurpreet Takher
Chair of ISA Board of Directors
ISA Board Member
His most recent journey has led him to found Happy Lab Media, a company focused on creating stories that represent underrepresented children and families so that every child can see themselves in the books, shows and movies they see.
Gurpreet has worked in education by teaching middle school in Baltimore City and by working with disadvantaged youth to help them graduate high school and get into college. He is committed to the idea that giving back and helping others is one of the most noble actions humans can do. He has put this into practice by continuously volunteering and advocating for families and children at risk and in need as well as having raising guide dogs for the blind.
He and his wife have two children at ISA in the French Track.