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Meet Our Team

All members of the Planet Math team are SCARS Certified

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Sergio Pitcher


Sergio co-founded Planet Math in 2017. He holds an M.Ed in Early Childhood Education, a B.S. in Mathematics, and has over 19 years of teaching experience. Sergio formed Planet Math because of his love for helping young people and making Mathematics fun to learn.


Kevin Warner

Founder/Owner/Director of Business Development

Kevin co-founded Planet Math in 2017. Kevin holds a B.S. in Business Administration, majoring in Finance and also has a CPCU, AU, and a UEFA C-license. Kevin's favorite Math topic is Numeracy. 

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Crystal Richardson

Executive Team Member/Tutor

Crystal holds a B.A. in Economics, a Master of Business Administration, a Teaching Certification in Mathematics, and four years of teaching experience. Crystal has worked with Planet Math since 2018 and particularly loves working with Number Sense.  


Lorena Pitcher

Executive Team Member

Lorena has been with Planet Math since 2018. She holds a TESOL certificate and is currently working towards her Bachelors in Education. Lorena appreciates the friendly work culture at Planet Math and all of the hard-working team members. 

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Kyrie Parfitt


Kyrie has been a tutor at Planet Math since 2017. He holds an A.S. in Actuarial Science and enjoys helping the students at Planet Math to be successful. His favorite Math topic is Calculus.


Karla Simons


Karla has been a tutor at Planet Math since 2019 and really enjoys challenging young minds. Her favorite subject to teach is Algebra. Karla has experience teaching Math in senior schools and at community schools and is Teacher Certified. She also holds a B.A. in Mathematical Science. 


Kelly Burgess- Donville


Kelly joined the Planet Math team in November 2019. She has a BSc in Teaching K-12 and Social Studies and a minor in English. In addition, she has 24 years of experience in the Bermuda Public School System having taught Math and other subjects to a variety of age groups including adult education. Kelly loves all aspects of teaching Math so it was hard for her to identify one topic she particularly favours. 


Darmell Jones


Darmell has been a tutor at Planet Math since 2018. She has 5 years of tutoring experience and 14 years of teaching experience at the primary level. Darmell has an Associates Degree in Human Services, a Bachelor's Degree in Child & Youth Study, a Specialist Certification in Special Education and a Master's Degree in Organizational Management. 


Kimberley Mensah


Kimberley joined Planet Math in June 2018. She has a Bachelor's and Master's in Electrical Engineering and a Master's in Biomedical Engineering. Kimberley began tutoring in college. When she returned home to Bermuda, she spent 9 years teaching Physics and Math at Bermuda College. During that time, she also was occasionally a substitute teacher in the public school system which she now does full-time as well as tutoring at Planet Math. 

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Lisa Stephanie Eng


Lisa has been at Planet Math since 2020. She has an Associate Degree in Pharmacy and a Bachelor of Science with Honours in Industrial Chemistry. Lisa has 5 years of experience tutoring Math to primary and middle school students and 8 years of experience tutoring Chemistry to high school and college-level students. Lisa particularly loves teaching arithmetic, fractions, probability, and algebra. 

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