Gut + Science

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Gut+Science explores employee engagement insights you can act on, from CEOs you can trust. Get ready for high energy interviews led by employee engagement evangelist Nikki Lewallen—ones that’ll have you rethinking what it means to build successful people-first cultures.

Nikki Lewallen: CEO | Head of Partnerships | Employee Engagement meets Business Development Expertise


    • Oct 30, 2025 LATEST EPISODE
    • weekdays NEW EPISODES
    • 23m AVG DURATION
    • 505 EPISODES

    5 from 170 ratings Listeners of Gut + Science that love the show mention: employee engagement, nikki does a great, nikki brings, brilliant interviewer, actionable insights, ceos, engaging host, real life examples, employees, millennials, great insights, organization, leadership, meaningful, natural, culture, create, quickly, energy, passion.


    Ivy Insights

    The Gut + Science podcast is a truly insightful and informative show that delves deep into the world of employee engagement, leadership, and gut health. Hosted by Nikki Lewallen Gregory, this podcast provides a fresh and dynamic approach to leadership, seamlessly integrating emotion and calculation. With well-researched episodes featuring expert interviews, listeners gain a comprehensive understanding of the topics at hand.

    One of the best aspects of The Gut + Science podcast is its ability to offer fresh perspectives on leadership. The host's passion for inspiring and equipping leaders shines through in each episode, igniting a contagious enthusiasm in both guests and listeners. The discussions on employee engagement and people-forward leadership provide valuable insights into enhancing productivity, retaining talent, and demonstrating the value of internal communication.

    Another standout feature of this podcast is its focus on gut health. The host dives deep into the science behind the gut microbiome and gut-brain axis, offering evidence-based insights that empower listeners to take charge of their gut health. With expert guests sharing their expertise and research findings, this podcast serves as an enlightening resource for those looking to prioritize their overall well-being.

    While it's challenging to identify any significant drawbacks to The Gut + Science podcast, one minor criticism could be that some episodes may feel repetitive or similar in content. However, this can also be seen as a positive aspect as it reinforces key messages and allows for deeper understanding of important topics.

    In conclusion, The Gut + Science podcast is a captivating show that offers valuable insights into leadership, employee engagement, and gut health. With its well-researched episodes featuring expert interviews and the host's genuine passion for inspiring leaders to prioritize people-first approaches, this podcast is highly recommended for anyone seeking fresh perspectives on these subjects. Whether you're already knowledgeable about these topics or just starting to explore them, The Gut + Science podcast will undoubtedly expand your understanding and inspire you to make positive changes in your personal and professional life.



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    Latest episodes from Gut + Science

    325: Beyond the Basics: Win Talent with Whole-Person Wellness Benefits with Michelle Yates & Mark Rosenthal

    Play Episode Listen Later Oct 30, 2025 41:43


    What do pets, perks, and productivity have in common? Nikki teams up once again with Michelle Yates of PetPartners, bringing in the dynamic Mark Rosenthal to shake up how we think about employee benefits. They dive into why "nice-to-have" benefits are now need-to-have, and how understanding your people (and their furry family members

    324: The $10,000 Work Mindset: How to Build a 25-Hour Week with Dr. Sabrina Starling

    Play Episode Listen Later Oct 23, 2025 48:43


    What if working less could actually make your business more successful?

    Community Conversation: Hell Yes Energy: Making bold choices that align with your purpose

    Play Episode Listen Later Oct 22, 2025 29:35


    In the Loop: What Great Leaders Actually Do with Greg Coble

    Play Episode Listen Later Oct 21, 2025 27:24


    Great leadership isn't just bold moves and big speeches. The real magic is in the quiet habits, clear communication, and meaningful connections the best leaders learn to make. Those were the themes of this year's Global Leadership Summit, a two-day event packed with world-renowned leadership experts. Katherine Coble is joined (finally) by her husband and business coach, Greg Coble, to recap their favorite moments from this year's Summit. From Craig Groeschel's call for consistency over charisma, to Nick Saban's surprising take on psychological safety, to Juliet Funt's bold message about reducing the noise, this episode is packed with practical takeaways and fresh energy for people-first leaders. Hit play for a fun, fast-paced breakdown you won't want to miss!   Additional Resources: Get the GLS Resource Guide! Follow Concentric Leadership Group on LinkedIn Connect with Katherine Coble on LinkedIn Learn more about Borshoff Follow PeopleForward Network on LinkedIn Learn more about PeopleForward Network   Key Takeaways: Consistency beats charisma in leadership impact. Focus only on what leaders uniquely should do. Clear writing equals modern-day empathy. Transformational leaders prioritize learning over results. Legacy leadership builds others for lasting significance.  

    323: Design Your Personal Board of Directors with Melanie Stuber

    Play Episode Listen Later Oct 16, 2025 41:26


    Forget the one-mentor model! What if you had a team of people championing your growth? Melanie Stuber shares how designing your personal board of directors can be a game-changer for your career and personal growth. After 25+ years in corporate leadership, Melanie stepped into entrepreneurship, and quickly realized the power of intentionally surrounding herself with people who challenge, support, and champion her. From knowing your values to identifying the roles every growth-minded person needs (mentor, coach, sponsor, expert, and more), she breaks down how to build and sustain this dynamic circle. Whether you're a seasoned leader or just getting started, you'll walk away with real tools to build a board that grows with you, and never feel like you're doing it alone again.

    322: To Know That Employee Engagement is Actually Emotional with Joshua Freedman

    Play Episode Listen Later Oct 9, 2025 43:44


    Employee engagement metrics have barely moved in over a decade, but what if we're measuring the wrong things? Nikki sits down with Joshua Freedman, CEO of Six Seconds and author of the soon-to-drop “Emotion Rules”. Together, they go deep on why engagement isn't about snacks in the breakroom or slick surveys. It's emotional, and it's human. They unpack why “leave emotions at the door” might be the worst business advice ever, what true caring leadership looks like, and how love, trust, and boundaries create high-performing cultures where people actually want to show up. If you're ready to trade performative leadership for authentic connection, this episode is your roadmap.

    321: Why Is It So Hard to Find Good People? The AI-Era Hiring Dilemma with Gerald Gordon

    Play Episode Listen Later Sep 25, 2025 34:23


    Why is finding great talent harder than ever… even with AI at our fingertips? Nikki sits down with Gerald Gordon, Co-Founder & CTO of Reference Me, to unpack how technology is reshaping hiring in ways that often make things messier, not easier. From flawless AI-generated resumes to overwhelming applicant pools, Gerald reveals why human discernment and cultural fit matter more than any algorithm. He also introduces a game-changing idea: professional certified references, a way to bring trust, truth, and confidence back into hiring decisions. Get ready for a candid conversation that will make you rethink how you evaluate candidates, balance AI with human judgment, and build teams that truly multiply culture.

    Community Conversation: Augment Not Replace: Building People First Teams with AI

    Play Episode Listen Later Sep 24, 2025 29:48


    What if your AI tools were more like teammates than tech? AI isn't coming for your job, it's coming to take the busywork off your plate. Jason and Nikki crack open how the PeopleForward Network team is weaving AI into their daily workflows without ditching what makes them... them. F rom using ChatGPT for parenting convos to building sales proposals, onboarding guides, and culture content, they're showing how AI can augment your team, not replace it. Expect lightbulb moments and a roadmap for using AI to go further faster while keeping your values and people at the center

    320: Play Is Not the Opposite of Work with Mike Montague

    Play Episode Listen Later Sep 18, 2025 43:30


    What if more play is the key to better work? This episode flips the script on what it means to be "professional." Nikki sits down with Mike Montague, author of Playful Humans, to explore why play isn't just for kids or weekends. In fact, it might be your team's biggest untapped superpower. From challenging hustle culture to reimagining how we measure productivity, Mike brings humor, heart, and a whole lot of wisdom. They unpack the three types of work, dive into the magical "Five P's" that fuel thriving workplaces, and get real about why forced fun just doesn't cut it. If you're ready to ditch the burnout and build work cultures where people actually want to show up, hit play.

    In the Loop: The Real Reason Your Team Isn't Listening with Jenni Field

    Play Episode Listen Later Sep 16, 2025 26:40


    Ever feel like no one's really listening to you as a leader? Like your message isn't landing, even though your intentions are solid? That's not just frustrating. It's a credibility problem. Katherine sits down with communications powerhouse Jenni Field, author of “Nobody Believes You: Become a Leader People Will Follow.” Together, they dive into why great leadership isn't just about charisma or good intentions, it's about credibility, and yes, that can be learned. With 20+ years in global comms roles and now leading her consultancy, Redefining Communications, Jenni breaks down her signature 8 practices of leadership credibility. From integrity to visionary thinking, she shares real-world stories, laugh-out-loud insights, and tips leaders can implement tomorrow. If you've ever wondered why your team isn't “getting it,” or felt like you're doing all the right things but still not moving the needle, this episode's for you.

    319: Modern HR: The Strategic Voice Every Executive Team Needs with Raina Fryer

    Play Episode Listen Later Sep 11, 2025 35:05


    What if HR stopped being the department of “no” and became the heartbeat of transformation in your business? Nikki is joined by Raina Fryer of Titus Talent Strategies to flip the script on what HR should be. Broadcasting live from the PeopleForward Network studio at CultureCon® 2025, this episode dives into how people leaders can ditch outdated playbooks and embrace a bold, modern approach to leading humans. Raina challenges us to rethink everything, from the language we use to how we train, hire, and retain our teams. She brings fresh insights on cross-functional leadership, performance-based hiring, and how to actually treat HR as a strategic partner, not just a rule enforcer. This episode is a must-listen for anyone committed to building people-first cultures.   Additional Resources: Connect with Raina Learn more about Titus Talent Strategies Reach out to Titus Watch Gut + Science (and more) on YouTube! Connect with Nikki on LinkedIn Follow PeopleForward Network on LinkedIn Learn more about PeopleForward Network   Key Takeaways: HR must shift from compliance to strategic partnership. Rethinking titles like "HR" can reflect a more modern role. Let go of control; embrace creativity and ambiguity. Hiring should focus on long-term performance, not just quick fills. Retention starts with great onboarding, mentorship, and purpose.  

    318: Before EOS & After EOS: A Founder's Journey with Loren Wood

    Play Episode Listen Later Sep 4, 2025 46:17


    What happens when a former high school math teacher turned builder decides to stop flying by the seat of his pants, and actually runs his business on a real system? Nikki chats with Loren Wood of Loren Wood Builders, who shares the raw, before-and-after story of implementing EOS (Entrepreneurial Operating System)

    317: How Pet-Friendly Workplaces Are Boosting Mental Health with Michelle Yates & Steve Feldman

    Play Episode Listen Later Aug 28, 2025 31:04


    What if boosting your team's mental health and workplace happiness was as simple as adding a wagging tail to the mix?

    Community Conversation: Impact Over Hours: Shifting the Focus from Time Spent to Results

    Play Episode Listen Later Aug 27, 2025 29:59


    What if your team could get more done in less time? ⏳ In this Community Conversation, Nikki and Jason flip the traditional “hours worked” mindset on its head, championing the power of results over clock-watching. They share why it's time to ditch the outdated 9–5 mentality, how to unlearn habits that hold us back, and why role clarity + goals + KPIs are the secret trio for driving real impact.

    316: Culture Change That Sticks: Stories from the Field with BJ McKay

    Play Episode Listen Later Aug 21, 2025 50:37


    Ever felt like your culture change efforts are just… throwing spaghetti at the wall

    From the Bedside to the Boardroom with Lori Price

    Play Episode Listen Later Aug 19, 2025 32:52


    What happens when a hospital CEO still thinks like a nurse? You get leadership that listens, leads with empathy, and actually walks the talk. Katherine sits down with Lori Price, President and CEO of Franciscan Health Central Indiana, whose journey from nurse to executive brings a rare blend of heart and strategy to the conversation. Lori unpacks how starting at the bedside shaped her “communication flywheel,” a practical, people-first system for keeping 24/7 teams aligned, engaged, and clear on the mission. From listening more than speaking to building trust through radical honesty, she shares real-life leadership lessons that make her style both approachable and effective. If you're navigating complex teams, craving more culture clarity, or just need a reminder that leadership is human work, this one's for you.   Additional Resources: Connect with Katherine Coble on LinkedIn Learn more about Borshoff Follow PeopleForward Network on LinkedIn Learn more about PeopleForward Network   Key Takeaways: Trust and healthy conflict are essential for safety and team cohesion. Listening to frontline staff is core to effective leadership. Purpose-driven culture fuels resilience and engagement. Vulnerability and humor make leaders more approachable.

    315: See Differently, Solve Better: Problem Solving Through Perception with Chris Bassett

    Play Episode Listen Later Aug 14, 2025 39:56


    What if your biggest leadership roadblock isn't the problem… but how you see it? Nikki sits down with Chris Bassett—founder of Green Bean Consulting Group—to flip your problem-solving approach on its head. What does abstract art have to do with business challenges? And how does soaking a walnut help teams break through stuck thinking? Chris takes us on a journey through neuroscience, philosophy, and real-world consulting wins to show how our brains often mislead us, and how leaders can use perception as a powerful tool for change. From spotting red flags of overconfidence

    314: HR Professionals Crave a System for Culture Change with Heather Haas

    Play Episode Listen Later Aug 7, 2025 48:51


    Ready to break free from program fatigue and culture initiatives that fizzle out fast? Nikki sits down with Heather Haas, CEO of Advisa, as she shares why so many culture efforts flop and how HR professionals can finally make the shift from being stuck in a silo to leading true transformation. They dive into the game-changing A.T.L.A.S. framework—think executive activation, trust, leadership development, people data, and killer systems—all designed to drive results and get your team rowing in the same direction. If you're an HR leader who's done with the fluff and ready for a proven system that sticks, this convo is your new playbook

    313: AI & the Future Role of HR Leadership with Cara Brennan Allamano

    Play Episode Listen Later Jul 24, 2025 49:53


    Is your HR strategy stuck in the past while AI races ahead?

    Community Conversation: Unlocking Strategic Success Through Monthly Sprints and OKRs

    Play Episode Listen Later Jul 23, 2025 31:39


    What if the secret to staying focused, aligned, and genuinely excited about your goals wasn't a 20-page annual plan, but a simple monthly sprint? Nikki and Jason pull back the curtain on how PeopleForward Network uses OKRs and monthly sprint goals to spark team momentum.

    312: Really Understanding Workplace Wellness: How to Lead for Impact with Patricia Grabarek & Katina Sawyer

    Play Episode Listen Later Jul 17, 2025 48:46


    What if your wellness program is actually making burnout worse?

    Using AI to Level Up Your Leadership Communication with Katherine Coble

    Play Episode Listen Later Jul 15, 2025 20:55


    Ready to supercharge your leadership communication with a little help from AI?

    311: Podcasting for Internal Communications with Katherine Coble

    Play Episode Listen Later Jul 10, 2025 45:29


    Get ready for a fresh twist on Gut+Science!

    310: Purpose Driven Impact: The Waymaker & STRIVE Method with Jon Mayo

    Play Episode Listen Later Jul 3, 2025 33:45


    Get ready to have your mindset stretched and your leadership toolkit expanded!

    309: The Evolution of Work (And the Surprising Role of Pets in Culture & Retention) with Michelle Yates

    Play Episode Listen Later Jun 26, 2025 23:48


    Work's changing fast—hybrid setups, flexible perks, and even pets making boardroom appearances

    308: Leading a People-Forward Culture - Meet The Team at PFN

    Play Episode Listen Later Jun 19, 2025 24:16


    Why Leaders Fail to Communicate Effectively with Dr. Michael Kirchhoff

    Play Episode Listen Later Jun 17, 2025 32:46


    In this episode of “In the Loop,” Katherine sits down with Dr. Michael Kirchhoff from Cooper University Healthcare.

    FEATURE: How to do Asynchronous Meetings with Jason Cochran and Nikki Lewallen Gregory

    Play Episode Listen Later Jun 12, 2025 24:44


    We're back with another special feature with Jason and Nikki, as they take you behind the curtain at People Forward Network to show how they're shaking up team meetings

    307: Leading Focus and Limiting Distractions for Remote Workers with Steven Puri

    Play Episode Listen Later Jun 5, 2025 41:49


    Remote work is here to stay—but how do we actually thrive in it?

    FEATURE: Why Leaders Are Stuck and Change Is So Hard with Nikki Lewallen Gregory

    Play Episode Listen Later May 22, 2025 39:23


    Steady Leadership in Unsteady Times with Katherine Coble

    Play Episode Listen Later May 20, 2025 18:22


    In this episode of “In the Loop,” Katherine takes us from scraped knees on a turquoise bike to shark diving in Hawaii —all to teach one powerful lesson: great leaders don't clam up when times get tough. With the world spinning fast around political shifts, DEI rollbacks, and plummeting employee engagement, Katherine breaks down how to stay grounded, clear, and forward-thinking. Think of it as your communication toolkit for chaos. Tune in, get inspired, and learn how to lead with purpose when the waters get rough

    FEATURE: Understanding ‘WHY' and Strengths: Insights from Nikki Lewallen Gregory

    Play Episode Listen Later May 15, 2025 41:02


    For this special feature, Nikki joined Dan Dominguez on his podcast, “Lead Different”

    FEATURE: Building Highly Connected Remote Teams with Jason Cochran and Nikki Lewallen Gregory

    Play Episode Listen Later May 8, 2025 23:28


    306: How Dreams Can Transform A Workplace with Kate Volman

    Play Episode Listen Later May 1, 2025 39:24


    What if your 9–5 helped you chase your wildest dreams? ✨ Nikki chats with Kate Volman, CEO of Floyd Consulting, about how the Dream Manager program is flipping the script on workplace culture

    305: Future-Proofing Leadership with Dr. Rosie Ward

    Play Episode Listen Later Apr 24, 2025 45:36


    Leading at the Speed of Life with Sue Ellspermann

    Play Episode Listen Later Apr 15, 2025 33:38


    In this episode of “In the Loop,” Katherine is joined by Dr. Sue Ellspermann, President of Ivy Tech Community College! From engineer to Lt. Governor to higher ed powerhouse, Sue shares how she leads with passion, strategy, and radical transparency. They dive into how she unites thousands of employees across Indiana with a shared vision, why repetition is her secret weapon, and what it takes to keep communication clear in complex systems

    303: Prioritize Autonomy & Create A Culture of Ownership with Tina Moe

    Play Episode Listen Later Apr 3, 2025 26:01


    What happens when you ditch micromanagement and start leading with trust? Tina Moe, CPA and founder of ACT Services, shares how she turned workaholic tendencies into a thriving culture of autonomy. From dropping timesheets to rewarding longevity with unlimited PTO, she's redefining leadership—one empowered team member at a time. If you're tired of feeling like you have to do it all, this episode is your permission slip to let go, level up, and build a team that owns their work.

    302: Advocating for the Employee with Jennifer Knotts

    Play Episode Listen Later Mar 27, 2025 30:59


    What does it really mean to advocate for employees? In this episode, Nikki is joined by Jennifer Knotts, CFO of IDO Incorporated, who is proving that leadership isn't about following a straight path—it's about forging your own!

    301: Workplace Rituals with Una Japundza

    Play Episode Listen Later Mar 20, 2025 36:40


    Company rituals aren't just for fun—they're the glue that holds teams together.

    How to Give and Get the Best Feedback with Katherine Coble

    Play Episode Listen Later Mar 18, 2025 17:36


    Employees crave feedback—96% say they want it! But let's be honest… giving and receiving feedback can be awkward.

    Dynamic Delegation with Steve Perkins

    Play Episode Listen Later Mar 7, 2025 43:36


    Delegation isn't just about offloading tasks—it's about unlocking your team's potential!

    299: Being In Community With Others with Amanda Medlen

    Play Episode Listen Later Mar 6, 2025 27:30


    Weekly Planning Rhythms with Steve Perkins

    Play Episode Listen Later Feb 28, 2025 44:07


    Ever feel like your team is always busy but not actually moving the needle? You're not alone. In this episode of The Roots Up Approach, Steve and Nikki unpack the secret to cutting through the chaos: the Weekly Planning Rhythm—a simple, game-changing system to set clear priorities, stay focused, and actually get things done. Steve shares how this rhythm transformed his own business (and sanity), why Monday meetings are the worst, and how one leadership team went from total disorganization to seamless execution in just one week. Ready to ditch the overwhelm and lead with intention? Tune in now and grab the Roots Up Quiz to build your custom action plan!

    298: Awareness of Fit with Matt Poepsel

    Play Episode Listen Later Feb 27, 2025 41:57


    Ever felt like something at work just wasn't clicking—but you couldn't put your finger on why?

    Communicating Fast and Slow with Katherine Coble and Sue Finkam

    Play Episode Listen Later Feb 18, 2025 29:45


    Great leadership starts with great communication!

    297: Intentional Connection with Charlie Saffro

    Play Episode Listen Later Feb 13, 2025 42:51


    What happens when you look beyond someone's job title?

    296: The Purpose Story with Marshall Lockton

    Play Episode Listen Later Feb 6, 2025 36:37


    What's your purpose story? On this episode, Nikki is joined by Marshall Lockton, entrepreneur and Partner of Knight Agency, takes us on a journey from his family's business at Lockton Companies to his passion for purpose-driven leadership. Marshall shares how crafting meaningful stories fuels performance, builds connection, and brings purpose to life.

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