In this episode, host AJ Riedel talks to Charla Marshall, Founder and Principal Consultant of DNA-ed Services, LLC. Charla is a forensic geneticist and former Deputy Director of the Armed Forces DNA Identification Laboratory who built a thriving consulting practice in one of the most niche scientific fields in the world, entirely through reputation, without a sales strategy.
Why You Should Listen to This Episode:
If you're a self-employed consultant struggling with inconsistent income, a thin pipeline, or the pressure to constantly market yourself, Charla's story will reframe everything. She went from government employee to fully booked consultant in just 9 months, not through cold outreach or a marketing funnel, but by leveraging deep specialization and a reputation built over a decade of high-stakes scientific work. In this conversation, Charla gets honest about what she doesn't know (business, taxes, sales), how she's thinking about revenue diversification, and what it really looks like to build a consulting practice that supports the life you actually want.
What You'll Learn in This Episode:
• How Deep Niche Expertise Eliminates the Lead Generation Problem: Charla explains how being the go-to expert in a highly specialized field, forensic genomics, meant clients came to her before she ever had to go looking for them.
• Why 'Fully Booked' Isn't the Finish Line: Now maxed out at 50+ hours a week across 3–4 retainer clients, Charla is confronting what comes next, and why even a thriving hourly practice can leave you financially exposed.
• The Revenue Diversification Challenge Every Successful Consultant Faces: Charla shares her thinking about moving beyond hourly retainers toward books, speaking engagements, and brand partnerships, and why she's approaching it organically rather than forcing it.
• How to Build Business Credibility When You Have Zero Business Background: From filing an LLC to doing her own taxes with TurboTax and ChatGPT, Charla walks through the scrappy, resourceful approach she took to figure out the business side from scratch.
• The Lifestyle You Can Actually Build as a Self-Employed Consultant: Charla describes the real day-to-day of a thriving consulting practice, including walking the beach on weekday mornings and being present for her kids in ways that were impossible in her government role.
• Why Consulting Success Is Repeatable, If You've Put in the Work: Charla makes the case that if you've genuinely 'peaked' in your field, done the work, built the reputation, earned the credibility, transitioning to consulting is less of a risk than it feels.
About Charla Marshall:
Charla Marshall is a forensic geneticist with a PhD and a decade of federal government experience, including serving as Deputy Director of the Armed Forces DNA Identification Laboratory, where she led a 11.5-year project developing DNA sequencing techniques to identify Korean War soldiers. She is the founder of DNA-ed Services, LLC, a specialized consulting firm focused on forensic genomics technology transition. In just 9 months, Charla went from launching an LLC as a side project to fully booked across 3–4 retainer clients, entirely through reputation and word of mouth.
• Connect with Charla on LinkedIn: https://www.linkedin.com/in/charla-marshall-242a8367/
Work with AJ:
Is your revenue reflecting your expertise? Probably not, and here's how to find out why.
Book a free Revenue Diagnosis Call with AJ. On the call, you'll find out:
• Whether you have a lead generation problem, a nurturing problem, or a conversion problem, and which one is costing you the most revenue right now
• Why your current approach keeps your income from reflecting your expertise no matter how hard you work
• What has to change to reach multi-six figures with predictable monthly income and high-paying clients
This call is right for you if you're making less than $100K and know you should be at $150K or more, and you want a straight answer, not more trial and error.
This isn't a coaching session. It's a diagnosis.
Book Your Call
Listen if you want to:
✔ Start your own consulting business
✔ Transition from corporate to self-employment
✔ Improve your networking and outreach strategy
✔ Build confidence in your personal brand
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