Instructors & Staff

Emily Boll

  • *Founder and Owner of Boot Camp Hawaii, Inc.
  • *Corporate Health and Wellness Coach
  • *Small Group and Personal Training
  • *Virtual Online Coaching
  • *Motivational Speaker
Emily began her full-time fitness career and founded Boot Camp Hawaii, Inc. in 2009. She has over 15 years of personal training experience and is a well-known health coach for corporate companies across the Hawaiian islands. As a former educator in the classroom setting, she believes that health is a life-long journey of self-learning and self-discovery. Lastly, Emily is the lead health coach for the Kamehameha School’s year-round IMUA Lifestyle Challenge for over 200 employees.

Outside of fitness instruction, Emily is a competitive triathlete and enjoys outdoor sports including running, biking, swimming, and cross-training. She has completed 5 marathons (PR 3:56), 3 half-marathons (PR 1:56), and numerous triathlons: Na Wahine Sprint Triathlon 2009 & Lanikai Sprint Triathlon 2011: 1st in her age group, and Honolulu Triathlon 2011 & Tinman Triathlon: 2nd in her age group . She completed the Honu 70.3 Ironman in June 2010 and 2011 (PR 5:35), and finished with a 12:40 time at the Kona Ironman World Championships last October 2011. She is currently training for the 70.3 Kona Half Ironman in May 2015.

Emily holds a Master’s degree in Education and Bachelor of Science in Psychology from the University of California at Los Angeles. As a mother of two young beautiful and active children, she challenges herself to be a lifelong learner and a positive role model. Whether she is training clients or raising her children, Emily believes that each person can impact their lives to become healthy with hard work, consistency, and action.



Nicole Ferguson

BCH Office Manager

Nicole first started attending boot camp classes with Boot Camp Hawaii, and had the opportunity to be personally trained by Emily for my wedding a few years ago. She now works part time as Boot Camp Hawaii’s office manager. Nicole loves being outdoors and continues to live a healthy lifestyle exercising outside and playing soccer. She also loves cooking healthy meals for her family and is always looking for great healthy recipes.



Coco Zhang

Certified Yoga Instructor

Finding out that her calling in life was yoga, Coco gave up a career in the business while living in Tokyo, Japan to pursue a teaching career with Yoga.  After several years of practice, in 2008, Coco completed her 200 & 300 hours of RYT Yoga Alliance training andcertification with a base in the fundamentals of Hatha yoga.

Additionally, she’s spent time extensively studying Ashtanga under Ken Harakuma of IYC Tokyo, Richard Freeman in Boulder, CO, and has briefly trained with and translated work for David Keil, as well continues her daily regimen of morning Mysore style Ashtanga training here on Oahu, having just completed the 2nd series and progressing to the 3rd.

Also 2011,she had the teacher training with Rusty Wells who is the founder of Bhakti flow yoga.Coco’s home town is Shanghai and she has spent almost 10 years living in Japan, traveling the globe and across the US training under multiple well known Ashtanga yogis as well as training in the art Thai yoga massage.  Coco brings her dedication, passion, and friendly smile to the yoga studio, and combines it with her training fundamentals in Hatha yoga and Ashtanga to create a unique Vinyasa Power yoga class that challenges students to build their inner core, increase flexibility, and sweat their stress away.  Coco is trilingual in English, Japanese, and Mandarin.



Mariana Uehara

Aloha, I am originally from Brasil, but moved to Hawaii in 2006. I am passionate about living and spreading the benefits of a healthy lifestyle.

For the past eight years, I have been training and competing on various running and triathlon events around the world.

I also have been coaching private and group clinics in multi sport activities for the past 5 years. I am Primary Group Exercise Certified Instructor by AFAA Group, and this month I started the Dr Sears Wellness Institute’s Health Coach Training.

For more info, please check my website.



Kenny Esquivel

Masters of Science in Kinesiology

  • *Certified Strength and Conditioning Coach
  • *Athletic Performance Coach
  • *Clinical Exercise Physiologist



Susie Stephen

Susie first discovered yoga as an undergraduate student in the UK and found it be a great complement to her first passion, which is running. Since then Susie has continued to take classes, and has also started teaching yoga after completing 200 hours of training in 2011. Currently teaching within the YMCA system on Oahu, Susie also works with runners of all ages (from high school upwards), sharing yoga based exercises to improve strength, efficiency and recovery. Aside from running and yoga, Susie is an avid hiker, oceans advocate, writer and traveler.