Jen McLellan is a Certified Childbirth Educator (CBE) and author who spearheads the Plus Mommy and Plus Size Birth platforms. She utilizes her background in maternal advocacy to bridge the gap between evidence-based medical data and the lived experiences of people of size. McLellan is the host of the Plus Mommy Podcast, a series where she interviews OB-GYNs, midwives, and lactation consultants to dismantle weight-based stigma in maternity care. Her influence is evidenced by partnerships with inclusive brands such as Latched Mama and Tula, as well as her collaborative work with the 4th Trimester Bodies Project. A recent win includes the expansion of her Size-Friendly Provider directory, a resource that connects expectant parents with medically unbiased clinicians. By popularizing terms like B-Belly and providing the My Plus Size Pregnancy Guide, she offers practical strategies for navigating clinical environments. Her work has appeared in major outlets including The New York Times and Today, cementing her role as a professional voice in the body neutrality movement.