The team behind the BIRTHFIT movement consists of individuals who have made it their mission to improve the way the world views birth. From behind-the-scenes work to showing up physically, our team is here to raise the standard, challenge the status quo, and make change.

Dr. Lindsey Mathews, DC

Founder and CEO

Lindsey Mathews is a doctor of chiropractic, birth doula, NLP practitioner, and strength and conditioning coach. Born and raised in Texas, she currently calls Venice, CA, home. Lindsey started BIRTHFIT in 2011 as a blog with a deep desire to support and educate women throughout the motherhood transition. BIRTHFIT started expanding in 2014 and since then has doubled in size each year. BIRTHFIT is a movement!

Lindsey is a passionate believer in magic and love, views every obstacle as an opportunity to learn, and is a woman in pursuit of truth through food, travel, and relationships.

Lindsey’s core values are respect, growth, freedom, connection, and love.


Dr. Lindsay Mumma, DC

COO and Editor in Chief

Lindsay Mumma is a doctor of chiropractic, Regional Director for BIRTHFIT NC, and the owner of Triangle Chiropractic and Rehabilitation Center. She and her husband Chris live in Raleigh with their two sons. She discovered a love for helping pregnant women during her first pregnancy in 2012, and began her role as a BIRTHFIT RD in 2014 along with a handful of other firestarters when they decided to try growing the BIRTHFIT movement. She now serves as BIRTHFIT’s COO and Editor in Chief as well as staff for the BIRTHFIT Professional Seminar.

Mumma (which rhymes with “puma” and is how most in the BIRTHFIT world know her) loves learning new things and writing her own script. She lives BIRTHFIT and its four pillars daily as a continual practice, which has been integral in the ongoing process of healing her autoimmunity.

Mumma’s core values are respect, autonomy, growth, movement, connectedness, and intention.

Kristin Stone

Managing Director

Kristin is the Regional Director of BIRTHFIT DC. She works on projects to change the world and coaches CrossFit in her spare time. She lives in Washington, DC with her husband Justin and rotund terrier Charlie. Kristin is pragmatic above all else. She’s passionate about travel and culture, and holds a strong belief that any problem can be solved over a good meal and laughter in a happening restaurant.

Kat Haggerty

Admin Director

Kat (short for Kathleen) is a BIRTHFIT Coach, group fitness instructor, owner to Cam the Dog, founder to Chartered Creatives and ultimately a connector of people. She has a passion for her family, friends and strangers alike.

She claims to be built to talk but also built to learn and listen. She is constantly seeking the best for every human and strives to push others to find their purpose and passions through conversations and connections.

Behind the scenes admin work is something her company was founded on and works hard for fluidity and organization!

Dr. Erica Boland, DC

BIRTHFIT Professional Director

Erica Boland is BIRTHFIT Wisconsin Regional Director, doctor of chiropractic, doula, DNS D practitioner, and core and pelvic floor enthusiast. She is co-owner of Coulee Health alongside her husband Kyle, in West Salem, WI. They have four beautiful boys, a rambunctious German Shorthair, and a boatload of chickens. Erica’s passion for birth began after experiencing the “Standard American Birth” and an unsupported 4th trimester at the young age of 20. With empowerment through BIRTHFIT’s four pillars, it is her mission to set a standard for postpartum care.

Erica is a passion-driven woman with a free spirit and soul to travel the world exploring, sharing, connecting, and growing.

Erica’s core values are growth, authenticity, passion, connection, and intention.

Melissa Hemphill

BIRTHFIT Leadership Director

Melissa Hemphill is a modern-day Renaissance woman. She’s an Air Force Officer, Biology Instructor, CrossFit Coach, Mind Body Nutrition Coach, wife, and mom. She and her husband Anthony currently live in Colorado Springs with their 3 children. Prior to serving as the BIRTHFIT Coach Seminar Director, Melissa was one of the first BIRTHFIT Regional Directors; 2014-2016 as BIRTHFIT Florida and then BIRTHFIT Colorado from 2016-2018. You can thank the military for her relocations!

Most of the BIRTHFIT world knows her as “Magic Mel” for her mysteriously inquisitive perspectives. She is insatiably curious and committed to walking the path of the “Total Human Effort” (as coined by Logan Gelbrich).

Mel’s core values are compassion, intention, growth, and integrity.

Laura Mattison

BIRTHFIT Coach Director

Laura Mattison is the Regional Director for BIRTHFIT Atlanta and a strength and conditioning coach. Laura’s paradigm for birth first shifted when she was exposed to alternative birthing and mothering experiences in a college course, then again in graduate school when she first saw a pregnant woman working out. Since discovering BIRTHFIT back in its blog days, Laura has been inspired by this movement and is thankful to now be part of the work BIRTHFIT is doing to change how the world views birth and motherhood.

Laura brings energy and enthusiasm to her coaching and her pursuits. A lifelong athlete, she loves movement and sport and is fascinated by how our bodies move and work. She strives to love and encourage others and is on a path of lifelong learning and growth. An Atlanta-area native, Laura and her husband now live in Jefferson, GA with their dog Kelly and “Baby M” on the way.

Emily Russak

Podcast Director

Emily has been in the fitness world for 6 years with a background in D1 athletics and a lifetime of sport. Along with sport, she has had a love and passion for pregnancy, birth, and babies. These two fell beautifully hand in hand when she found BIRTHFIT back in 2011. From then she began learning the specifics that go into prenatal and postpartum training and hasn’t looked back! Through this process, she completed the DONA Birth Doula Certification at Bini Birth and has attended 6 births. Emily has the pleasure of coaching at DEUCE Gym in Venice Beach, CA and watches transformations through fitness daily! With fitness, nutrition, chiropractic, and mindset practices, Emily not only fulfills her life through BIRTHFIT but most importantly shares this growing community with the women around her.

Leah Barto

Online Program Director

Leah is a gym owner, strength and conditioning coach, and a birth doula. Born and raised in Houston, TX, Leah, her husband Aja, and their two dogs still call Houston home. Leah started coaching in 2010, and they opened their affiliate in 2012. She became the BIRTHFIT Houston Regional Director in 2017 and joined the BIRTHFIT Coach Seminar Staff in 2018.

In addition to loving the entire birthing process, Leah has always been most passionate about supporting women through the ebbs and flows of life. Leah especially loves coaching movement and educating women on healthy lifestyles to support them through their female cycle, fertility, pregnancy, and postpartum journeys. She enjoys any opportunity to learn, travel, connect, love, and have deep, meaningful conversations.

Leah’s core values are connection, mindfulness, empathy, courage, and boundaries.

Sarah Emmert

Blog and Content Director

Sarah Emmert is Blog and Content Director for BIRTHFIT HQ. She and her husband live in Raleigh, NC with their twin sons and baby boy. She has a life-long love of functional movement, fitness, and wellness that expanded to include BIRTHFIT while working with Lindsay Mumma of BIRTHFIT North Carolina after her first pregnancy.

Sarah’s core values are respect, communication, movement, and constant learning.

Nast Whitson

Blog Committee

Nastaran (or Nast) was born in the Dominican Republic, raised in Boston, and now resides in New Jersey. Nast attended her first BIRTHFIT Basics Workshop in November of 2014 and was inspired to bring the BIRTHFIT movement to the Northeast in 2015. Today, she continues to serve as the Regional Director of BIRTHFIT NJ and is on the BIRTHFIT Coach Seminar Staff. Nast is a certified HSN Nutrition Coach, Co-Director of FAITHRX’D Northern NJ, and along with her husband, David, owns and operates CrossFit SOAR and Happy Go Run in Hawthorne, NJ.

Nast’s core values include compassion, loyalty, diversity, healing, discernment, and prayer.

Molly Powell

Blog Committee

Molly Powell is the Regional Director for BIRTHFIT Milwaukee, a CrossFit coach, a Level 2 Reiki practitioner, and a women’s fitness & nutrition coach through her own practice, Molly Powell Wellness. Molly resides in Milwaukee, Wisconsin, with her husband and two children.

Molly left the corporate world for good in 2015 to fulfill her passion for fitness and nutrition. Molly found BIRTHFIT while pregnant. She attended the BIRTHFIT Postpartum Series and knew she had found something special. After a fun stint in San Diego, she returned to Milwaukee, now educating and empowering women in her community to be healthy and happy during their Motherhood Transition.

A natural extrovert and lifelong knowledge seeker, Molly gets energized by teaching, learning from, and interacting with women through BIRTHFIT.  She currently serves as the BIRTHFIT Nutrition Pillar blog captain and offers Motherhood Transition Nutrition consults.

Dr. Jill Cameron, DC

Blog Committee

Jill Cameron is a doctor of chiropractic that specializes in pregnancy, birth, postpartum, and pediatrics. She is the Regional Director for BIRTHFIT Roaring Fork Valley in beautiful Colorado. Jill is originally from Canada and went to Chiropractic School in Texas, which is where she met her husband Cullen. They moved to Colorado with her two fur babies Lucy and Kota. Ever since she started chiropractic school, Jill has loved helping pregnant moms to have safer, healthier, and happier births. It wasn’t until she started working with BIRTHFIT that she discovered her passion for helping postpartum women heal mind, body, and soul after birth. She now serves as the Chiropractic Blog captain to help our BIRTHFIT community get access to amazing information on the chiropractic pillar and how crucial it is for an empowered motherhood transition.

Jill loves everything movement based. If she isn’t in her crossfit gym training, she is out horseback riding, snowboarding, rock climbing, river rafting, or hiking. Jill believes people should train to move better in life! Jill incorporates the BIRTHFIT Four Pillars in her life, and even though she hasn’t gone through the motherhood transition herself, she believes these pillars are the basis for the healthiest expression of life!

Jill’s core values are consistency, growth, compassion, and authenticity.