Administrator of ISS office and Advisor to the International Student Organization.
International Student Specialist
Ruojia (Brooke) Richardson
Brooke is a Designated School Official (DSO) for the F-1 scholars and students. She concentrates
on F-1 students and dependents. She also processes OPT STEM Extensions and requests
Brooke completed her dual-bachelor of International Trade and Business Administration at Xi’an Shiyou University and Troy University.
International Student Specialist
Tina is the J student and scholar coordinator (ARO) and is also a Designated School Official (DSO) for F-1 students. Her primary concentration is on incoming BridgeUSA J-1 visa scholars.
Tina earned her Honors B.A. in dual majors of international relations with a focus on the former Soviet Union in the Political Science Department at OSU and Russian language. After studying in Russia, she returned to OSU to complete her M.S. in International Trade and Development in the Ag Econ department. She then worked in community development in Costa Rica for 20 years, running several non-profit organizations, including being President of the Board of Directors on a 501c3 non-profit corporation, “Supporting Solutions for Atenas”, coordinating international exchange for volunteer projects, and teaching courses at the local university. Upon returning to OSU in the current position, she has also begun a PhD program in Higher Education Administration and Leadership. She is a member of Phi Beta Delta honor society. She loves to make international scholars feel at home here in Stillwater and travel all over the world, meeting and understanding other cultures.
International Tax Coordinator
Trisha Chaparala Iyonsi
Trisha is responsible for Work Permits for all international students, scholars, faculty and staff. Guidance is given for the completion of Forms W-4 and I-9. She also facilitates tax treaty exemptions. Other payments to our international community that might be taxable, such as scholarships and fellowships, honorariums, and royalties, must be also be evaluated and approved by her. Trisha conducts tax workshops in the spring for international students and scholars.
Trisha has undergraduate degrees in Finance and English, and a master's degree from Oklahoma State University. Her research focuses on educational issues related to the Indian diaspora. She joined the International Students and Scholars Office in 2009. She serves as the advisor to the Indian Student Association and facilitates the Indian Leadership Workshop Series. Trisha has presented at multiple NAFSA conferences and the OCSPA Conference on topics including immigration, microaggressions, and cultural programming. In her spare time, she enjoys attending OSU sporting events with her family.
Coordinator of Sponsored Students
Karen has worked in the field of International Education and Exchange for nearly 25 years at Oklahoma State University. She works exclusively with 300+ sponsored students and their Embassies and/or Agencies providing specialized services above and beyond that of regular university programming. Karen serves as one of the immigration officers in the ISS Office for sponsored students on J and F visas. Karen earned a BS in Marketing with a Minor in Management from Oklahoma State University and has served as the Coordinator of Sponsored Student Programs since 2006. Prior experience at OSU includes the Office of International Programs and the School of International Studies.
Karen loves meeting new people. Her favorite hobby is traveling with her family to
experience new cultures and cuisines. She also enjoys horses, country music and the
Sayaka is the Accounting Specialist for Sponsored Student Programs. She works with
sponsored students to ensure that their sponsorship funds are correctly applied and
help students comply with the policies and rules of their sponsorship programs.
Jooyoung is a DSO (Designated School Official) for F-1 students and scholars. Prior to joining as a professional staff, she began her employment at the ISS office as a student employee in 2013. Jooyoung is originally from Seoul, South Korea and obtained her B.S. in education in 2014 and M.S. in Educational Leadership Studies with the option of higher education in 2018, both from OSU. Jooyoung has been actively participating in OSU Korean Student Association and International Student Organization. She was a member of Education Student Council (2013-2014), Vice President for Korean Student Association (2013-2014), Public Relations Officer for International Student Organization (2015-2016), and Co-Advisor for International Student Organization (2017-2018, 2020-present). Jooyoung loves international travel, meeting with international students, and attending diverse events.