FOUNDER
Karen is a deeply dedicated member of the fencing community, having been involved in the sport for over 40 years. She has won bronze and silver medals at NAC (North American Cup) tournaments. Karen is passionate about the sport, proclaiming that fencing is both life and community, and she actively contributes by teaching new students and competing in tournaments.

OLYMPIAN & OPERATIONS DIRECTOR
Andrew Mackiewicz is a 2020 Olympian and three-time World Championship team member for Team USA in Men’s Sabre. With over two decades of experience in the sport, Andrew brings world-class expertise and a passion for mentorship to SF Sabre School.

A two-time NCAA National Champion and former Penn State fencer, Andrew combines the discipline of elite competition with a creative, modern approach to coaching. His goal is to build a fencing community that promotes wellness, confidence, and excellence — empowering every athlete to train with purpose and believe in their potential.

HEAD COACH
Born and trained in France, Coach Nicolas Rousset is a former member of the French National Fencing Team and an internationally ranked sabre fencer. With years of competitive experience at the senior world level, including World Cup and Grand Prix podium finishes, Nico brings elite expertise and a deep passion for the sport to every lesson.

Known for his technical precision, disciplined approach, and ability to inspire athletes of all ages, Nico’s coaching philosophy blends the art and strategy of fencing with physical and mental development.

ASSISTANT COACH

Sasha brings over three years of fencing coaching experience and a strong passion for developing young athletes. A recent graduate of UC Berkeley, Sasha combines technical knowledge with a thoughtful, hands-on approach to teaching. At SFSS, she supports our Beginner and Intermediate Program, helping new fencers build confidence, discipline, and a love for the sport from day one.