Leslie Kwan is an American harpsichordist, and the founder of The Monarch Network, a new media- production company that commissions and presents music-based digital content exclusively in support of hospital staff, patients and their families at NHS hospitals in the United Kingdom.

Highlights of Ms Kwan's career include Associate Marketing Director of the Boston Symphony Orchestra from September 2015 where she was managed niche cultural partnerships and events across all BSO brands, audience development for the Young Professionals Group, and the launch Medical Card programme between the BSO, local hospitals and medical schools in Boston, MA.

Recruited in 2016 by the Handel + Haydn Society as Acting Marketing Director, Leslie managed all marketing, communications and digital platforms for the organisation, launched H+H's digital concert hall, and secured corporate sponsorships in support of the organisation’s fundraising goals. In 2018, Ms Kwan was invited by the Chineke! Foundation in London to manage the charity's press, marketing, communications and social media platforms.

Previously, Leslie founded L’Académie Baroque Orchestra in Boston, MA, a chamber ensemble that specialised in French Baroque repertoire, where she managed all operations and served as harpsichordist for eight seasons. Inspired by her mother's survival of non-Hodgkin's lymphoma, Leslie launched and ran a weekly chamber music series exclusively for cancer patients, families and staff at the Dana-Farber Cancer Institute between December 2012 and December 2015. In 2014, the series expanded into Massachusetts General Hospital in support of the patients, staff and families of the neonatal unit.

Born and raised in New York, Leslie began piano studies at age 4 and made her debut at Carnegie Recital Hall at age 10. She graduated from the LaGuardia High School of Music & Art and Performing Arts where she was a double major in piano and viola. Leslie holds degrees in harpsichord performance from Hofstra University in Hempstead, NY, and a Master of Music from the Mannes College of Music, New York City where she was a Helena Rubenstein scholar.