About
Our Gym
At EverProven Training and CrossFit in Dover, NH, we train people of all ages and experience levels to get stronger, move better, and build lasting habits. Whether your goal is fitness, performance, or personal growth, you’ll make progress in a focused, supportive space.
Learn About
Our Coaching Team
The coaches at EverProven Training and CrossFit are all about helping you move better, stay consistent, and reach your goals. With expert support and real accountability, you’ll have everything you need to succeed.
Matt Michaud
Matt is a career Firefighter/Paramedic and decorated athlete who loves CrossFit. His passion for coaching, athletic competition, and healthy living has paved the way for his expansive knowledge of fitness. Matt holds the following certifications; CrossFit Level 2, CrossFit Movement and Mobility, CrossFit Endurance, CrossFit Running, Certified CrossFit Competition Judge, OPEX Athlete Assessment, Currently enrolled in OPEX Total Coach program, USAW L1 Sports Performance Coach, ACE Personal Trainer, ACE/IAFF Fire Service Peer Fitness Trainer, Training for Warriors L1, IKFF CKT L2, IKFF CBWT, IFA Sports Nutrition, Pose Tech L1 Running Coach, Risto Sports Soviet System Olympic Weightlifting, Nationally registered and Licensed in Paramedic Emergency Medicine.
Kevin O'Shea
Kevin O’Shea is a lifelong athlete with a sporting history that includes collegiate rugby and adventure racing. He has been active in education as a lecturer at UNH and has been involved in law enforcement as a sworn officer. Kevin began working out with the CrossFit methodology in 2009 and has been an ardent advocate for helping people reach their life goals through fitness. Coach Kevin is one of the most genuine and passionate coaches at EP. His warm smile, encouragement and enthusiasm is contagious! Certifications: CrossFit Level 2 Trainer.
Christian Seeber
Christian was a body building enthusiast who developed a curiosity and interest in alternative gym training in early 2007. Desiring new ways to exercise, he discovered Crossfit.com. CrossFit training was difficult, challenged physical ability, mental discipline, and it was measured by functional performance instead of muscle size. Christian began his CrossFit journey by training in his garage using the CrossFit methodology. Eventually, he met Matt, Scimone, Kate, and Katie and together they founded EverProven. Certifications: CrossFit Level 2 Trainer Risto Sports Soviet System Olympic Weightlifting IKFF CKT L1 IKFF CKT L2 IKFF CBT.
Mary Cusack
Mary started as an athlete at EverProven in November 2018, began coaching in June 2021, and took over as general manager in December 2022. After years of being a competitive dancer, Mary found that CrossFit kept her active and never bored. Mary loves making people feel empowered and confident in their bodies. Helping people do things they never thought were possible is Mary’s favorite part of coaching. Prior to taking over as general manager, Mary worked in special education Certifications: CrossFit Level 2 Trainer.
Sara Claflin
Sara is a native of NH who re-discovered her fitness passion after turning 40 and discovered her love for competing on stage as a bodybuilder. Sara is a personal trainer, holds all the TRX® Qualifications: STC, GSTC, and is the only Certified AGTC TRX-Blackrank instructor in the seacoast area. She is also a certified USAPL Powerlifting Coach. Sara holds her pro card in the masters’ division of OCB/IFPA natural bodybuilding and continues to be involved as a judge and competitor throughout New England. Sara’s clients range from 5 – 70 years old and believe in the power of movement for your mind, body, and soul at any age. She strives for excellence and brings it into every personal or class session. Her goal is to support and inspire others, and to contribute to the EverProven community!
Mike Jennings
Mike grew up in Bedford, NH and was active in multiple sports, with a focus on football and baseball. In 2012, while living in Southern California, he was introduced to CrossFit SouthBay (Hermosa Beach) and immediately changed his perspective on what it meant to physically challenge himself and found something special in the Community. The true impact of CrossFit would come years later as it was a key player in his Addiction Recovery. Mike believes that the mental challenges of any obstacle in life can be important building blocks for personal and physical growth. Introducing CrossFit to the process provides a rewarding release of those challenges that can hold people back. As a CrossFit Level 2 Trainer & Certified Recovery Support Worker, Mike loves spending time with everyone who walks through the doors at EverProven that is working to improve their life and challenge themselves, as well as those around them. Mike is a Volunteer with The Phoenix, a Sober-Active Community, and hosts The Phoenix CrossFit at EverProven every Friday at 2pm! Certifications: CrossFit Level 2 Trainer.
Katie Siemon
Coach Katie LOVES getting to know people! Everyone’s story is unique and Katie is passionate about learning how to help people grow into a better version of themselves. Katie believes physical, mental, spiritual and emotional wellness is all intertwined. Through Katie’s experience in the work field and on the floor as an athlete she has realized the importance of working on mental mindset in combination with physical fitness. Katie enjoys helping people move better and work through mental roadblocks. Whether it’s working on building strength, gymnastics, endurance, mobility, or planning, preparation, goal setting/ tracking, visualization and breathing Katie finds great joy watching people achieve things they didn’t think were possible. Certifications: CrossFit Level 2 Trainer.
Connor Yeaney
Connor is a full-time coach and personal trainer at EverProven. He grew up as a soccer player, finishing his career with 4 years at the University of Hartford, a Division I program at the time. Connor earned his Bachelor’s degree in Mechanical Engineering at UHart and then worked as a manufacturing engineer for 3 years before pivoting into the fitness industry full-time. Connor and his wife have been living in Dover, NH since November 2020 and plan on sticking around! Certifications: CrossFit Level 2 Trainer ACE Certified Personal Trainer ACE Certified Health Coach.
Sandy Chin
Sandy grew up in New York City, where exercise consisted of running from potential muggers. She began running seriously after her children were born but only started lifting in her 40s as a way to combat perimenopause. In 2016, she and her husband tried their first Everproven class and have been members since. Sandy started coaching as a way to encourage athletes, especially women, to embrace strength training for longevity and physique. In her other life, Sandy is a Cornell/Harvard trained urologist. Certifications: CrossFit Level 2 Trainer.
Karen Clark
Coach Though Karen has been officially CrossFitting since 2012, she was actually introduced to the CrossFit methodology by a high school track coach back in 2003. After meeting and becoming friends with Matt, Katie, and the EverProven crew at several competitions it was an easy decision to join the community after buying her house in Lee. Karen loves coaching any skill work, from Olympic lifts to handstands, as she loves to see the moment an athlete realizes how much easier something is with a focus on technique. Outside of the gym Karen likes to test her fitness any way possible, including skiing up and down mountains, running marathons and ultras, or just bringing the dogs out for a casual hike. Certifications: CrossFit Level 3 Trainer.
Devan Gilman
Devan has been in the CrossFit world for 10 years, and has held her L1 Trainer Certification since 2021. Devan has been a member at EverProven since 2023, when she moved to Dover after living and coaching in Florida. By day, she is an OT at Portsmouth Regional Hospital, and by night you can usually find her in the evening classes enjoying the daily workouts…and socializing. Devan loves helping members progress their skills particularly in weightlifting and gymnastics and is very excited to be part of the EverProven team!
Certifications:
CrossFit Level 1 Trainer
Breanna McClain
Breanna is a firm believer in the transformative power of fitness and health. Her journey is rooted in a massive personal commitment to change: starting with running and healthy eating, she lost nearly 200 lbs, began CrossFit in 2018, and fundamentally rebuilt her life. This experience is why she is so passionate about her current role as Adaptive Athlete Coach and Community Liaison. Breanna pours her energy into training/fitness because she knows firsthand that true strength is built by overcoming barriers. Her mission is to ensure that everyone, regardless of challenge, has access to the same tools for success.
Breanna holds credentials as an Adaptive Athlete Coach, CF-L1 Trainer, NASM Certified Personal Trainer, and Certified Nutrition Coach.
Shelley McGlone
Shelley started as an athlete/Friday night cleaner at EverProven in November 2018. After falling in love with the community and realizing that CrossFit truly is for everyone, Shelley started coaching in June 2021. Shelley loves to stay active and has found a new appreciation for outdoor activities such as hiking, paddle boarding, and kayaking. You will very rarely find her with nothing to do! Aside from coaching, Shelley works full-time as a Medical Records Coordinator with Mass General Brigham Wentworth-Douglass Hospital and is currently finishing her bachelors degree in Psychology at SNHU before moving on to her masters in Clinical Mental Health Counseling.”
Certifications:
CrossFit Level 2 Trainer
Katie Michaud
Katie has always had a passion and love for fitness and health. She and her husband, Matt Michaud, founded EverProven in their home garage. Over the years Katie’s compassion and desire to inspire and coach has only increased. Katie is a full time working wife and mom of 2. She enjoys coaching and helping individuals reach their health and wellness goals. Katie is a full-time occupational therapist and has been practicing since 2009. Katie uses a lot of her skills as a therapist in the coaching setting as well. Katie finds the knowledge from both years of coaching CrossFit and her background as an OT really coincide at times. Katie enjoys weightlifting, gymnastic movements, and working out with friends!
“CrossFit and EverProven have given me so much more than fitness.”
Certifications:
CrossFit Level 2 Trainer
Certified CrossFit Competition Judge
USAW L1 Sports Performance Coach
Masters of Science in Occupational Therapy
Rebecca Morris
Rebecca has been working in the fitness industry for 10 years, and she loves coaching in a group environment. She has experience with Olympic lifting, power lifting, and works as a Registered Dietitian as well.
Rebecca lives in Dover with her husband and two children. She joined EverProven in January after her previous gym closed, and has quickly found a home with its supportive, high-energy community.
Certifications:
CrossFit Level 1 Trainer
Eric Raiche
Eric began taking CrossFit classes at EverProven in 2021 before moving to Oahu in
2023 where he started coaching at CrossFit Oahu. As a lifelong athlete, it didn’t take
long for him to fall in love with this style of training whether it was due to the welcoming community, the ability to be competitive, or the constant variety of the sport.
Eric loves helping members improve their technical skills and unlock their potential whether it be weightlifting, gymnastics, or machine work and is always looking for a smile or a fist bump.
Eric works in Commercial Real Estate Development and enjoys CrossFit, golf,
and snowboarding in his free time.
Certifications:
CrossFit Level 1 Trainer
Christy Runey
A lifelong athlete, Christy has always been active, whether competing on the Army ski team, training with the cycling team, rock climbing, or running. In 2012, while assigned to Germany, she discovered her love for “Functional Fitness” and the community that supported it. Eventually her passion for the sport led her to train and compete as a Masters athlete in the 2018 CrossFit Games. Christy coaches our Legends athletes.
Certifications:
CrossFit Level 2 Trainer
Matt Trudeau
Matt discovered CrossFit in 2018; attending only the Saturday morning classes to change up his weekly routine at a global fitness gym. From only one day a week of CrossFit, he noticed significant changes in his conditioning and strength. That was enough to commit fully to the CrossFit training methods and become a member. The community has been a source of support in teaching so much about life and how to be resilient; a place where everyone is accepted and supported to become their best. In his travels, Matt has trained at many CrossFit gyms and seminars alongside some of the best athletes in the world. He truly enjoys coaching athletes and giving back to the community.
Certifications:
CrossFit Level 2 Trainer
Burgener Strength Level 1
Advanced Equipment
EverProven is a 10,000 sq. ft. facility built to support a wide range of fitness goals, from strength and conditioning to endurance and functional movement. The gym features top cardio machines including Echo bikes, Ski Ergs, Bike Ergs, Concept 2 rowers, and a Stairmaster. Strength tools include barbells, kettlebells, dumbbells, and cable machines. A full rig set-up, climbing ropes, plyo boxes, and jump ropes support functional training.
Premium Amenities
EverProven features a large open gym for group workouts and functional training, plus a smaller private area for personal or small group sessions. The facility includes Olympic weightlifting platforms and outdoor space for sled work and running. Members enjoy locker rooms with showers, a room for independent-aged children, Normatech recovery boots, and partnerships with local physical therapists, chiropractors, and massage therapists for long-term wellness.
