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Professional Mentoring

Do you work in the pediatric and family nutrition space?

Is your healthcare career as fulfilling as you want it to be

Do you want to start a side hustle or move away from clinical nutrition?

Do you have an existing business but want to offer more resources and increase your revenue

Do you want to stand out from the crowded nutrition space and be known for your ideas?


If you are nodding your head YES to any of these questions, you’re in the right place!

I offer coaching and professional mentoring to pediatric and family-focused healthcare professionals.

Jill Castle: Professional Mentor

Strive mastermind participants

I’ve been a pediatric dietitian nutritionist since 1990 and started my own business in 2008. As a self-employed pediatric dietitian of 15 years, I consider myself an entrepreneur.

I’ve blazed the trail of private practice (twice!), have published 5 books (with a 6th book out in early 2024), get paid to speak, and have built a nutrition education website for parents called The Nourished Child®.

My own business and experiences include working as a nutrition consultant and advisor to child-focused start-ups and companies. I also enjoy spreading my philosophy about childhood nutrition with other healthcare professionals, parents, and organizations as a speaker and workshop facilitator.

Since 2010, I’ve spoken on the international stage, and delivered a TEDx talk, keynotes, breakouts, and workshops to a variety of audiences. As America’s Child Nutritionist, I’m a sought-after media dietitian.

In 2018, I started to professionally mentor other pediatric nutrition colleagues in my inaugural program, THRIVE. Since then, I’ve proudly mentored, coached, and watched many dietitians grow their businesses.

Because I have “been there, done that,” many pediatric and family-focused nutrition professionals hire me as their professional mentor to guide them on their own business journey.

Today, I do this through my mastermind, STRIVE.

strive mastermind logo

STRIVE is a mastermind and mentoring opportunity for nutrition professionals who want to grow their businesses, further hone their unique point of view and niche, have more impact, and make an income that reflects their value and expertise alongside a supportive community of other nutrition entrepreneurs.

The members of STRIVE are hand-picked and the group is intentionally small. We meet monthly for a year. In STRIVE, you get personalized advice and high interaction with me, as well as feedback and support from others in the mastermind.

A new cohort begins each September, and members can join on a quarterly basis based on availability.


I’ve really enjoyed connecting with all of the women in the group and have appreciated the connections and space to do business planning and processing, as well as the accountability Jill provides.

~Heidi S.

Interested in being part of a game-changing experience that will not only help you grow your business and skip the missteps, but expand your mindset, impact, and revenue?

Ready to be part of a community of collaboration, coaching, and support as you grow your business strategically?

A Professional Mentor Helps You Skip the Mistakes

Taking the next step in your career can be pretty scary. I know! I’ve done it several times… and I’ve made my fair share of mistakes along the way.

But there’s no getting around the inherent fear of starting something new. Or the anxiety of taking the next step in your career or business. Or making a big investment.

Yet, often, this is exactly what needs to happen in order to grow. Unfortunately, our mindset and self-imposed obstacles may get in the way.

The good news? A seasoned entrepreneur and professional mentor like me can help you skirt the major mistakes, untangle the mindset issues, and get on a strategic path for business growth while gaining confidence, clarity and the tactics you need to grow.

Three women working together in the mastermind.

Half-Day VIP Coaching

What if you just have a focus area in your business you’d like to launch or tune up?

In my half-day VIP RD coaching engagements, I help you strategize and plan your next business step.

In fact, my half-day engagements focus on three main areas of business:

  • Overall business strategy
  • Speaking
  • Writing a book

But if you have a different area you’d like to focus on, like a new program or improving your website, let’s talk.

If you’re ready to have someone like me look at your business and point out opportunities and possibilities for growth, are ready to share your expertise and point of view on stage, or write the book you’ve been dreaming of, I can help.

Learn more about my half-day VIP coaching.


You Don’t Have to Go It Alone

Stop wondering if you’re making the right decisions, managing your business in the most efficient ways, setting yourself up for future success, or taking advantage of the right opportunities (or saying no to the wrong ones)!

When you have an invested mentor and coach who desires your success as much as you do, you will feel confident, clear, empowered, and strategic.

With me on your side, mentoring and supporting you, those next business steps are much less scary and much more strategic.


Jill Castle, professional mentor for dietitians

Grow & Succeed!

A Half-Day VIP Experience can help you focus on one area of your business and strategize your growth plan.

STRIVE Mastermind offers a community of nutrition entrepreneurs and an experienced mentor to support you, so you keep your momentum going, make more money, and have a greater impact.

So you never have to feel like a solopreneur!

Let me help you keep your business and career going strong.

**This page contains affiliate links. If you purchase a product through these links, your cost will be the same but I will receive a small commission to help with operating costs of this blog. I only link to products I personally use and love.


Other Resources for Healthcare Pros

Are you receiving my monthly newsletter for pediatric nutritionists? Be sure to join, as this is where you’ll learn more about business, pediatric nutrition, and my programs and workshops!

Profit Pillar$: Learn about 5 revenue streams that can take your business to the next level.

Food Parenting PRO: A deep dive recorded workshop into food parenting, which will enhance your knowledge and counseling skills.

My books: Written for parents, but deeply researched, and good resources for nutrition professionals who work with kids and families.

I’m an affiliate for a few business-oriented resources that I feel help those in the healthcare field further develop their businesses and platforms.

Businessese, a legal template resource for your private practice and website needs.

Let’s Get Started, I’d Love to be Your Professional Mentor!

If you’re serious about your business and career, contact me today!