As a fitness and wellness instructor for 10 years now, Simon has handled classes of different types of yoga: Vinyasa Yoga, Power Yoga, Hot Yoga (or heated yoga), Gentle Flow Yoga, and Floating Yoga™ (suspension yoga). Aside from these, he also teaches other group exercise classes at Fitness First and Celebrity Fitness: HardCore Maxx™, BodyBalance™, BodyStep™, and Saltar™. In 2017, he won the GX Superstar for BodyBalance™ award and was a Silver Medalist at the Philippine Yoga Asana Championship Male Division in 2010.

With a degree in education from UP Diliman, Simon devoted years in nation-building teaching high school and university level English and journalism classes. He served not only as a classroom teacher and class section adviser, but also worked as campus newspaper adviser. His last stint in the academe was at his alma mater where he taught Communications 1 at the University of the Philippines Open University (UPOU).

Since the Covid-19 pandemic lockdown in March 2020, Simon has become the primary caregiver for his partner of 22 years. He conducts a once-a-week class at the Virtual Studio of Fitness First and Celebrity Fitness, and teaches online private classes to individuals who wish to further their yoga practice. He also collaborated with other yoga teachers in doing philanthropy work (seva) by teaching online classes in order to raise funds for typhoon victims and APS (Antiphospholipid Antibody Syndrome).