“I love co-working here! The benefits of being a member here reach far beyond what I could have ever imagined. This is a magical, inspiring space to work in.”

- Othelia Marie Sierra

Tutor, Founder , The Math Mentors

Othelia Marie Sierra

The Math Mentors – Tutor, Founder


From an early age, Othelia found great joy in learning math. Then, in middle school, she learned about the benefits of entrepreneurship and a seed was planted. Flash forward to 2016, Othelia graduated with a B.S. in Mathematics from Millersville University. Her passion and curiosity collided the following spring when she founded The Math Mentors tutoring company and began her membership at The Candy Factory. The Math Mentors specializes in math tutoring and SAT preparation and is developing group tutoring workshops and summer camps. Othelia’s favorite subjects to tutor are Algebra and Geometry. Students admire her clear explanations and passionate approach to teaching.

Being a member of The Candy Factory has been a delight for her over the years. It has brought up numerous opportunities to meet fellow entrepreneurs in the community and network with members and visitors of the space. Othelia is now part of The Candy Factory team, responsible for closing and curating the facility. Over the years she has offered meditation guidance and currently hosts a mediation meeting Wednesday mornings in The Studios. To learn more about her tutoring company, check out her website (linked above) or send her an email to othelia@themathmentors.org.Thanks for reading! May you be well, happy and loved.

Join our coworking community!

The Candy Factory is a coworking space established in 2010 and located in the heart of Downtown Lancaster PA. We are a community of professionals who have found a new way to work. Coworking and shared workspaces help promote business growth, creative thinking, shared brilliance and collaboration while offering an affordable office solution for small businesses, freelancers, remote workers, and non-profits. 

Introducing TCF Happy Hub – A New Era of Lifestyle Wellness

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TCF Member Highlight Mary Hartman

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Jelly Bellies NOW OPEN

 We love our little munchkins, but we also understand the struggle all parents feel trying to juggle work and childcare. Sometimes you need a place to get work done, meet with a client, network, or just take a deep breath. That is why we are excited to announce jelly bellies, a supervised play facility located at The Candy Factory. Schedule a tour today!

Welcome Arianna

We’d like to welcome Arianna to The Candy Factory and The Sweet Core team as our Jelly Bellies supervisor and facilitator of fun!

She will be responsible for watching over and organizing fun activities for your kiddos.