Our Clients

"Derrick Sier truly blessed my team with his talents in team building. We will never be the same. We are thankful for him sharing his gift with us." - Stephanie, Manager


Derrick Sier has a pool of experience that spans community, corporate, non-profit, religious and collegiate fields. He has spent the last 15 years developing a unique way to fuse his wealth of experience in recreation with his unmatched passion to help teams work better together. It was through this fusion that One Mind One Spirit (OMOS) Teambuilding was born.

Derrick’s background includes workshop development, producing city-wide projects and dynamic presentations at conferences, community events, and in the classroom. He has a bachelor’s degree in kinesiology: recreation management and a master’s degree in theological studies. This broad experience has equipped Derrick to successfully address the dynamics of any group and meet their organizational needs.

It is through his out-of-the-box approach that Derrick transforms spaces into team construction zones. Derrick captures the attention of any group with energy and creativity. His contemporary approach empowers teams and organizations to reach their full potential, all while having fun.

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Tell us about your team! OMOS will customize a program that meets your desired outcomes.


Phone: 405.412.0473


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