王君萍（1979年5月31日，英語：Epsilon Wong Kwan Ping，暱稱：鴨仔），擁有接近二十年經驗的私人健身及體適能教練，亦是多位名人、專業人士及藝人的健身教練。
2008-2009及2011獲選香港十大傑出健身教練、 2012年度獲選香港工會聯合會傑出社區康體導師卓越大獎， 2013年更獲選Life Fitness世界十大教練，今年 2015更獲選香港教練培訓委員會之 2014香港優秀教練。
王君萍連續多年贏得亞洲女子健美錦標冠軍及東亞健美錦標賽女子健美冠軍，2010贏得第四屆全國體育大會女子健美錦標賽二等獎，2013更贏得女子國際健美錦標邀請賽冠軍。對於健美運動更不遣餘力，不斷培育、培訓新一代健美、健體運動員。
王君萍決心以個人興趣 (健身及健美運動) 作為終生事業。在未來的日子，她希望有機會與有志人士分享她的經驗同心得，培育教練、推廣運動訓練至全港普羅大眾，以至
大中華及亞洲地區。
ep-fitpro was established in 2008, our founder, WONG Kwan Ping Epsilon has been working in the field of Fitness and Personal Training nearly 20 years, she is also as a personal trainer of celebrities, professionals and stars. Besides ep-fitpro offering Personal Training, Group Training, Companies Fitness Training, we also provide Health & Fitness Seminars, Workshops, Exercise Classes and Healthy Activities. Through our trainings, different ages and level of public can gain the positive benefit from our healthy fitness activities. Hence to all peoples can acquire both delightful health and balance of life, hereby to give an impetus to Health and Fitness culture. On 2008, 2009 and 2011 Epsilon are elected as HK Outstanding Fitness Coach, on 2012 elected as HK Federation of Trade Unions Outstanding Community Sports Instructor - Awards of Excellence. On 2013 elected as Global Top 10 Finalist of LIFE FITNESS Personal Trainers to Watch. On 2015 elected as 2014 Hong Kong Coaching Awards of Hong Kong Coaching Committee. In recent years, Epsilon successively won the 1st place of the Asian Women's Bodybuilding Championship and East Asian Bodybuilding Championship. On 2010 won the 2nd place of 4th All-China Games Women's Bodybuilding Championship and 2013 won the 1st place of HKFBF International Bodybuilding Invitation Championship Women's Bodybuilding. Epsilon's aspiration has turned her interest in physical training and bodybuilding as life-long career. In the future, she hopes that she can share her experience with everyone by building up the best intuition for Fitness Training and Education in Hong Kong, Greater China and Asia.
