Mark Divine
U.S. Tactical, inc. Founder & CEO

SEALFIT Founder & Head Trainer

Unbeatable Mind Academy Founder

Mark Divine is founder and CEO of US Tactical, inc. which operates SEALFIT, NavySEALs.com and US CrossFit. He started his athletic career as a collegiate swimmer and rower, then competitive tri-athlete and martial artist before joining the Navy in 1990 as an officer. He graduated honor-man of his SEAL training class and served on active duty for nine years. Mark retired as a Commander from the Navy Reserves in 2011.

At U.S. Tactical and SEALFIT, CDR Divine has trained and mentored thousands of Navy SEAL and other Special Ops candidates to succeed in the most demanding military training programs in the world. His success rate with SEALFIT in getting candidates through their SOF programs is near 90%.

Mark’s insights into elite fitness, elite teams, leadership, mental toughness and warrior spirit development were developed over his 20 years as a SEAL and business leader, 25 years as a martial artist and 15 years as yoga practitioner. Mark has developed the first Integral Warrior program through the integration of Western and Eastern training practices – making SEALFIT and the Unbeatable Mind Academy the most effective training programs in the world for warrior athletes, professionals and leaders from all walks of life. SEALFIT trainees are those seeking a higher level of operating, thinking and leading – encompassing the full spectrum of human experience – Body, Mind and Spirit in Self, Team and Organization. Mark’s certifications and honors include:

Dan Cerrillo
SEALFIT Kokoro Trainer, Official Training Site owner

Dan Cerrillo Cerrillo is a Senior Coach for SEALFIT, and owner of CrossFit Bellevue in Bellevue, WA. Coach Dan is a former Navy SEAL (BUD/S class 194) with more than 13 years experience in the SEAL teams.

While on active duty, Dan completed six overseas deployments, including over a hundred combat operations during Operation Enduring Freedom (Afghanistan) and Operation Iraqi Freedom. Cerrillo was also a Master Trainer at Basic Underwater Demolition/SEAL training.

After leaving the SEALs Dan focused his energy on coaching athletes, Special Operations candidates and professionals in CrossFit and SEALFIT. Coach Cerrillo thrives on forging mental toughness and bringing the best out in his trainees.

Chriss Smith
SEALFIT Academy and Kokoro Trainer, Official Training Site owner

Chriss Smith is the founder and owner of Trident CrossFit in Alexandria, VA. A former Navy SEAL with more than 12 years experience in the SEAL teams and other Tier 1 Special Mission Units, he fully understands the necessity of total body fitness, mental toughness, and the roles they play in everyday life.

Chriss believes that the psychology of sport, fitness, and fun are integral components to a healthy lifestyle. His mission is to help others overcome self-doubt and their own perceived limitations, allowing them to unleash their warrior within.

Chriss is passionate about cultivating mental toughness and using functional fitness and SEALFIT to develop character and bring out the best in his trainees. He is a real inspiration to those who have the opportunity to work with him.

Glen Doherty

SEALFIT Kokoro Camp Trainer

Glen Doherty served as a Navy SEAL with multiple combat deployments for nine years. While on active duty, Glen completed several training programs, included the 18 Delta Special Forces Combat Medical School and the SEAL sniper course.

After separating from the Navy in 2005, Glen spent four years as a security and intelligence specialist for U.S. government agencies in high threat regions, including Iraq, Lebanon, Pakistan, and Afghanistan. Part of his duties included teaching and training operators around the world in a broad range of disciplines.

An accomplished pilot, Glen has his multi-engine, commercial, and instrument flight ratings. He holds a B.S. in professional aeronautics from Embry-Riddle Aeronautical University with a minor in aviation safety.

A former avid triathlete, Glen raced all distances—sprints to Ironman—including Ironman Canada in 2004, before retiring from the sport and taking up CrossFit and SEAlFIT.

Phil Black

SEALFIT Kokoro Camp Trainer

Phil Black is the founder of FitDeck, Inc. and a former Navy SEAL (BUD/S class 203) and Navy SEAL instructor.

Phil Black studied economics, political science, and sociology at Yale University, where he graduated with a B.A. While in college, Phil played varsity basketball (power forward) for the Bulldogs. He spent two years as an investment banker for Goldman, Sachs & Co., and over five years as a Navy SEAL deployed around the world before earning an M.B.A. from Harvard Business School.

When not training people to reach their athletic goals through SEAlFIT, Phil works as a fitness consultant, motivational speaker, and personal trainer. He lives with his wife and their four sons in San Diego, CA.)

Dan Miller

SEALFIT Academy and Kokoro Camp Trainer

Dan Miller was born in Kalamazoo, MI, and grew up the youngest of four boys in a household where sports and competition were never hard to find. While he played many sports growing up, his real passion was skiing. Dan’s dream of skiing in the Olympics led him to relocate to Winter Park, CO, to train and compete in mogul skiing for much of his young adult life. After retiring from competition, Dan became a ski coach, which provided his first opportunity to mentor and motivate people in physical pursuits.

Despite his love for the mountains, Dan put the snow shovel away in 2001 and traveled to Indonesia, Australia, and Central America. He subsequently landed in beautiful Del Mar, CA, and decided personal training would be a perfect fit for his active lifestyle and competitive nature. Regardless of your experience, Dan will motivate, educate, and provide an entertaining atmosphere for your workout.

Glen Otero

SEALFIT Academy and Combat Defense Trainer

Glen Otero believes the best way to learn something is to combine formal education with practical training and diligent practice.

His mastery of the martial arts came from studying under multiple Kung Foo San Soo masters for a period of four years in San Diego.

Glen Otero learned firearms skills—including rifle, pistol, and shotgun—from Kent Turnipseed, and even earned instructor status with Turnipseed Technique, Inc. He has also learned special tactics and techniques from LAPD SWAT and Heckler & Koch, and is a former NRA Rifle Instructor.

These firearms skills are combined with extensive outdoor knowledge and survival skills. In the foothills of the Rocky Mountains, he trained with the Boulder Outdoor Survival School (BOSS) to learn survival skills in a non-military setting. His time at the National Outdoor Leadership School (NOLS) added a wilderness leadership component to his skill set.

Glen has held concealed carry weapons (CCW) permits in several states, including California. He has worked in multiple security capacities and, on more than one occasion, worked alongside the Secret Service.

Glen holds a Ph.D. in Microbiology and Immunology from UCLA and a B.S. in Biochemistry from the University of Illinois, Urbana-Champaign.

Justin Marcis

Kokoro Camp Trainer, Official Training Site owner

Justin Marcis is the owner and head coach at Windy City CrossFit in Chicago, IL., where he prepares Navy SEAL candidates and civilians alike for the challenges of special operations forces training. He has successfully prepared numerous civilians to attend and complete SEAlFIT’s world-famous Warrior Kokoro Camp, which is widely regarded as the toughest training endeavor outside of BUD/s.

Justin understands the necessity of disciplined and demanding functional training that emphasizes endurance, core training, teamwork, mental toughness, and perseverance in the face of adversity. This is essential for all who seek the elite level of discipline, mental toughness, and durability of a Navy SEAL. Through his work at Windy City CrossFit and with the SEAlFIT Warrior Kokoro camps, Justin has developed a passion for training those seeking the ultimate challenge of mind, body, and soul.

Brad McLeod

SEALFIT Academy and Kokoro Camp Trainer. Official Training Site owner

Brad is the founder of SEALgrinderPT gym in Atlanta, Georgia. Brad is a former Navy SEAL and served 5 years at SEAL Team Four as a radioman, parachute rigger and climber. Brad was dropped from BUD/S class 125 after failing a math test during 2nd phase but returned in class 132 to complete BUD/S – going through 2 Hell Week’s and over 10 months of tough training. He is now a student of mental toughness and conditioning and aspires to help other athletes to apply this to their training.

With skills learned in the Teams, Brad still enjoys rock climbing, trail running, kayaking, Brazilian Jiu-Jitsu and competing in CrossFit events.