About Mrs G

Welcome!  I’m Mrs Gellenbeck and I’m glad you found your way here!

Teresa Gellenbeck 2018

I’ve been teaching business education at Orange High School since 2012.  I love working with students to help get a jump start on all-things business including marketing, entrepreneurship, accounting, personal finance, career exploration and lots of technology (computers, blogging, social media and more).

Current Professional Experience 

  • Business teacher & advisor, Olentangy Orange High School, 2012-present
  • Executive Board, Olentangy EntrepreNEERS Foundation
  • Co-founder, LeenaBee Photography

Previous Professional Experience 

  • Running coach & fitness blogger; Living Fit [Columbus], 2013-2020
  • Business teacher & advisor, Dublin Scioto High School, 2009-2012
  • Business teacher & advisor, North Union High School, 2004-2009
  • Marketing Specialist & Intern, M2NS [website design]; 2001-2004


  • Master of Educational Administration, Ohio State University
  • Integrated Business Teaching Licence, Ashland University
  • Bachelor of Business Administration, Ohio State University

My family consists of my husband (also a teacher in the district) and our two adorable kids who although they attend Dublin City Schools, have a Pioneer {EntrepreNEER!} heart. 🙂

I enjoy running, photography, traveling, reading, watching my kids play sports, The Buckeyes, networking with other founders & business experts, chocolate and lots of coffee. Only recently did I start drinking coffee black (I feel like a real grown up now) although I’d still prefer a pumpkin cream cold brew! I truly believe that if you dream it & pursue it, you can achieve it. I hope as a teacher I can help students find what they are interested in, what they are great at, and assist them towards making their dreams come true!

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