Meet Coach Keri
(AKA Iron Yogi)
Keri Mandell/ Iron Yogi
I’m Keri Mandell, known as the “Iron Yogi” — a yoga teacher and studio owner, running and triathlon coach, and lifelong fitness enthusiast. My journey began in education as a special education teacher, learning consultant, and school administrator, but over time I felt called to shift my path. Today I combine my teaching roots with my passion for yoga and fitness, helping others reconnect with their bodies, push their boundaries, and discover what they’re capable of.
Fitness and yoga are more than activities for me — they’re ways to express gratitude, build resilience, and find presence. Yoga grounds me, teaching breath, alignment, and balance, while endurance sports challenge me to go beyond perceived limits. Over the years, I’ve embraced adventures such as completing my first Ironman in 2018, the World Marathon Challenge in 2020 (7 marathons on 7 continents in 7 days), the Grand Canyon Rim-to-Rim-to-Rim in 2021, my first 100-mile ultramarathon in 2022, Ultraman races in Arizona and Florida, and placing third female overall at the Ultraman World Championships in Hawaii.
As a coach, I believe in meeting people where they are and helping them grow from there. My style blends structure with flexibility, weaving in mindfulness, strength, and recovery to create sustainable progress. I encourage my athletes and students to dream big, lean into discomfort, and trust the process — whether that means crossing a finish line, finding balance on the mat, or simply showing up with consistency.
I also love creating opportunities for people to step outside their routines and immerse themselves in transformation through retreats. Hosting retreats around the world allows me to combine movement, mindfulness, adventure, and community — giving people the chance to reset, connect more deeply with themselves, and return home inspired.
Alongside these personal milestones, I’ve founded Empower Yoga and Empower Training & Retreats, coached athletes of all levels, presented at festivals, and partnered with brands like lululemon, Honey Stinger, and Skratch. I’ve also dedicated time to fundraising for causes close to my heart, including the American Cancer Society, Autism Speaks, Special Olympics, and Girls on the Run.
Every day, I strive to live by the mantra: “It’s a great day to be alive.” My mission is to inspire others to step into their power, challenge their comfort zones, and live fully — with strength, purpose, and joy.
Keri’s favorite quote:
“Life begins at the end of your comfort zone.” – Neale Donald Walsch
Athletic
Achievements
World Marathon Challenge (At the time she was 1 of 164 people/46 women in the world to ever complete the challenge)
Ultraman World Hawaii- 3rd place female
Twenty-eight Marathons
Nine Ultras- 50k, 40 miles, & 50 miles, 100K, 100 miles
Four Ironman
Eleven 70.3
Countless Half Marathons
Grand Canyon Rim to Rim to Rim (one day)
Ran across the State of Virginia (350 miles)
Professional
Achievements
Bachelor of Science in Elementary & Special Education from Providence College
Masters of Education in Special Education from Wheelock College
Certificate of Advanced Graduate Studies in Administration from Emmanuel College
Developed a Fully Functioning Life Skills Program at The Walker School
Successfully ran a K-8 District Wide Behavior Program in Brookline Public Schools
Entrepreneur, Developed Empower Yoga LLC & Empower Yoga Training & Retreats LLC
Created The Empower Yoga, Yoga School
Certified Yoga Alliance 500 Hour Yoga Teacher
Certified USAT Triathlon Coach
Certified US Master Swim Coach
Certified CrossFit Level 1 Coach
Held numerous Speaking Engagements & Presentations
Author: Book Release 2026