Leadership Team

Founder and Co-CEO - Mrs. Tatyana Chayka, M. Ed.

Tatyana Chayka graduated with a Master's of Science in Secondary Education with a focus on Mathematics from Tashkent State Pedagogical Institute in Tashkent, Uzbekistan. She also obtained a Master's of Educational Leadership and Supervision with a focus in Business from the Arizona State University Leadership for Education Entrepreneur Program. Mrs. Chayka is secondary education certified and has over twelve years of teaching experience and twelve years of school administration experience. In 2000, she founded the first school in the AMS network, the Academy of Math and Science in Tucson, Arizona, and has remained the CEO of the network throughout its sixteen-year history.


Chief Executive Officer - Mr. Kim Chayka, BS

Kim Chayka - AMS CEO

Mr. Kim Chayka graduated Magna Cum Laude with a Bachelor's of Science in Business Administration from the Eller College of Management. Mr. Chayka is a published author in the Journal of School Choice and is a fellow of New Schools for Phoenix. He has also received the Hamer award from Glenn Hamer, president of Arizona Chamber of Commerce and Industry. Mr. Chayka has over 10 years of experience at the Academies of Math & Science and currently oversees all expansion efforts. 


Chief Operating Officer – Mr. Erik Greenberg, MBA

Erik Greenberg - AMS COO

Mr. Erik Greenberg joined AMS in February 2019 and serves as the COO. In his capacity, Erik works closely to support AMS schools in the areas of Marketing, Enrollment, Human Resources, Talent Acquisition, Data Analytics, and Facilities. Erik has spent his entire career in education serving in various leadership capacities in both Higher Education and Early Education. He is very passionate about education, particularly providing equal opportunities for education to all students.
Prior to joining AMS, Erik served as VP of Operations for Early Education schools. He led operations for over 20 schools in various states in the Western United States. In that role, he learned how vital education is in the early years of a child’s life. Prior to that, Erik spent over a decade in Higher Education. Starting his career in enrollment services, Erik worked closely with working adults to pursue their educational aspirations. Throughout his time, he led larger enrollment teams and eventually lead entire campus teams serving as Campus President in both Washington D.C. and Dallas, Texas.
Erik has a bachelor's degree in International Business and a Master’s in Business Administration.


Chief Financial Officer - Mr. Steven Hykes, BS, CPA

Steven Hykes - AMS CFO

Steven Hykes graduated with a Bachelor of Science from the University of Akron with a minor in Economics. He began his career in public accounting working in the fields of audit, tax and mergers and acquisitions for both Deloitte and PricewaterhouseCoopers. Steven received his Certified Public Accounting license from the state of Arizona in April of 2015. He has a diverse background having managed restaurants, volunteered overseas, and done both educational and non-profit work. Most recently he was the Chief Financial Officer of United Way of Tucson and Southern Arizona, where he spent three years overseeing various financial aspects of the business.  Steven joined the AMS network in January of 2016.


Chief Information Officer - Robert Biggs

Robert Biggs - AMS CIO

Robert Biggs is the Chief Information Officer for AMS. His career started in the Department of Entomology at the University of Arizona where he studied the effects of genetically modified crops insect pest populations. After gaining an interest in Information Technology while building IT tools to manage data collection and presentation at the U of A, Mr. Biggs transitioned to a career in technology. Throughout his career he has managed many IT implementation projects that touch on a wide varieties of technologies including networking, server systems, communications, line-of-business applications (EHR, CRM), and cloud solutions. He has built and managed teams of IT professionals, emphasizing skill-building and career progression. He has provided CIO services to many for-profit and non-profit organizations in various verticals including Medical, Public Safety, Education, Retail and Government. Mr. Biggs joined AMS in September 2017.


Superintendent, AMS Impact Group - Ms. Adriana Rodriguez, M. Ed.

Adriana Rodriguez - AMS Superintendent

Adriana Rodriguez graduated with a Masters of Educational Leadership from Northern Arizona University and a Bachelors of Arts in Political Science from Whittier College and holds various certifications in primary grade content areas and structured English immersion. She has been a teacher and administrator for 16 years and is in her ninth year with the network. Adriana Rodriguez was instrumental in the founding of MASSA, beginning with the school as founding principal. She led a poster session on grant funding at the 2013’s National Alliance for Public Charter Schools Annual Conference in Washington, D.C.  For the last two years, Adriana has served as the Superintendent of Schools and more recently as the Chief Compliance Officer.


Director of Human Resources - Emily Willis
VP of Marketing – Caylee Migliorini
VP of Enrollment & Data Compliance - Brandi Adams Bressler
Director of Facilities - Ronell Wilborn
Exceptional Student Services:
Director Exceptional Student Services- Mr. Ettor Strada
Assistant Director Exceptional Student Services – Natalie Trainor
Exceptional Student Services Compliance Manager - Andrea Padilla
Exceptional Student Services Records Clerk - Cassondra Forste
Exceptional Student Services Coordinator Phoenix - Phil Meilahn
Exceptional Student Services Coordinator Tucson - Kristin Enger
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