Meet the people behind the scenes.

The ArborBridge team is composed of impassioned educators, tech enthusiasts, and life-long learners. We are deeply committed to the families we serve and the continued improvement of our programs.

Get to know us!

  • Kate Ballard-Rosa
    Kate Ballard-Rosa Chief Executive Officer

    The owner of a perfect 2400 on the SAT and 36 on the ACT, Kate has tutored hundreds of students in nearly every standardized test, working with all types of students and learning styles. Kate oversees all aspects of ArborBridge operations, including the architecture and development of ArborBridge’s proprietary curriculum. Kate is a graduate of the University of California, Berkeley and remains a rabid fan of Cal Bears football.

  • Andrew Finn
    Andrew Finn Co-Founder & Chairman

    Andrew co-founded ArborBridge with Tim in 2007 and was CEO until the fall of 2016. Prior to co-founding ArborBridge, he worked as a consultant at PricewaterhouseCoopers and graduated with high distinction from University of Michigan’s Ross School of Business. An occasional guest speaker at UCLA’s Anderson School of Business, Andrew also co-founded the blog Wait But Why with Tim in 2013.

  • Tim Urban
    Tim Urban Co-Founder & Executive Director

    Tim earned his A.B. from Harvard University, graduating cum laude with a major in Government. He co-founded ArborBridge with Andrew in 2007, has personally tutored nearly every academic subject, and has prepared students for the SAT, SAT Subject Tests, ACT, GRE and ISEE tests. Tim is also the writer and illustrator of the blog Wait But Why, which he co-founded with Andrew in 2013.

  • Zach Johnson
    Zach Johnson Software Developer

    Zach received his B.A. from the University of Utah in Economics. After college, he worked on Wall Street for 5 years before learning how to code and moving to California in 2014. As ArborBridge’s Software Developer, he is responsible for maintaining and improving our proprietary systems.

  • Nicole Newquist
    Nicole Newquist Lead Director of Tutoring

    Nicole graduated from the University of Colorado at Boulder with a degree in Sociology. With an expertise in developing customized programs for students of all ages and learning styles, Nicole works hands on with counselors and families to help each student achieve his or her highest potential.

  • Megan Stubbendeck
    Megan Stubbendeck Managing Director of Operations

    Dr. Megan Stubbendeck is a 12-year veteran of the test prep industry with 15 years of teaching experience. She earned her Ph.D. in History from the University of Virginia where she taught for 3 years in the History Department. As Executive Director of Operations, Megan oversees the program management, instruction, curriculum, and operations teams at ArborBridge.

  • Bryce Hubner
    Bryce Hubner Director of Development

    Bryce spent more than a decade in teaching and leadership roles at some of the nation’s top independent schools and sports academies. He uses his considerable experience to partner with counselors and families around the world. Bryce is also a proud supporter and alumnus of Bates College, where he studied English and wrote his undergraduate thesis on James Joyce’s Dubliners.

  • Erica Sin
    Erica Sin Director of Tutoring

    Erica graduated with her B.A. in Economics from the University of California, Los Angeles. Having worked with families all over the world, Erica is experienced in developing customized preparation programs to help students of all educational and cultural backgrounds.

  • Laura Clark
    Laura Clark Associate Director of Tutoring

    Laura graduated cum laude from the University of Kansas where she earned a degree in Strategic Communications. After working several years in digital advertising, she completed a Masters of Arts Management from Columbia College Chicago. She spent 5 years teaching English in Spain before joining the ArborBridge team, where she works side-by-side with families and counselors to develop custom solutions for students around the world.

  • Valerie Kaskovich, CMA
    Valerie Kaskovich, CMA Managing Director of Finance

    A Chicago native and Economics graduate of the University of Illinois at Urbana-Champaign, Val joined the ArborBridge team in September 2013. Val is responsible for the company’s financial functions including accounting, budgeting, payroll, corporate finance, human resources, and compliance.

  • Briana Gordon
    Briana Gordon Program Manager

    Briana is a seasoned test prep expert who has worked in nearly every capacity of the industry over the past 16 years. She graduated with her B.S. in Atmospheric Science at Cornell University before moving on to earn two Master’s Degrees: one in Curriculum & Instruction and another in Atmospheric Science. As a previous ArborBridge tutor, Briana understands the nuances of our tutoring programs, and she is dedicated to helping families navigate the process with ease and success.

  • Eleanor Sharp
    Eleanor Sharp Associate Director of Instruction

    During her time at Oberlin College as a National Merit Finalist, Eleanor discovered her long-time love and commitment to education and tutoring. She has since brought her expertise to ArborBridge as both a test prep tutor and Instruction Manager, providing ongoing support for tutors so they are equipped with the tools they need to help students around the world.

  • Erin Ohsie-Frauenhofer
    Erin Ohsie-Frauenhofer Instruction Manager

    With a Master of Arts in Teaching from Brown University, Erin brings extensive training and experience as a certified teacher and test prep tutor to her role as Instruction Manager. Erin has a passion for helping students gain confidence in their abilities and achieve their academic goals. Her decade of success as an educator has prepared her to work closely with the ArborBridge tutoring team to ensure that programs are tailored to individual students’ needs.

  • Jess Hsu
    Jess Hsu Associate Director of Operations

    Born and raised in Maine, Jess settled in Los Angeles following her graduation from Skidmore College, where she earned her B.A. in Art History. Jess brings her organizational and customer service skills to ArborBridge, assisting the Operations team and coordinating student testing.

  • Rose Paik
    Rose Paik Associate Director of Curriculum

    Rose earned her M.A. in Educational Technology from Johns Hopkins University School of Education and her undergraduate degree from University of Washington Foster School of Business. Rose’s graduate work focused on employing digital-age learning to enhance standardized test preparation instruction and create personalized learning experiences for every student. With over a decade of tutoring experience, Rose ensures that ArborBridge curriculum is exciting and enhances every student’s education.

  • Samuel Holley
    Samuel Holley Program Manager

    With more than 7 years of experience in test prep, Samuel has personally taught over 500 students and has overseen programs for an additional 500. He graduated cum laude in Theology at Georgetown University, where he wrote an honors thesis about human flourishing. Applying his passion for flourishing to admissions testing, Samuel believes providing the right preparation and guidance during this process relieves stress — enabling students and their families to thrive.

  • Will Peterson
    Will Peterson Program Manager

    A California native based in Berlin, Germany, Will is a Brown University graduate who earned a B.A. in Comparative Literature. As a previous ArborBridge tutor, he knows the ins and outs of a tutoring program, and as Program Manager, he is committed to making every tutoring experience nothing short of delightful.