10 Lessons Learned

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Jun 2026

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About the show

Unlock the wisdom of the world’s most accomplished leaders. 10 Lessons Learned is the podcast where global executives, innovators, entrepreneurs, thinkers, and changemakers reveal the 10 life and leadership lessons that shaped their success. Hosted by Robert Hossary and produced by 10LessonsLearned.com , each episode delivers practical insights you can use immediately—in business, leadership, career growth, and everyday life. Whether you’re an aspiring leader, a seasoned executive, or someone hungry for clarity and direction, this podcast gives you proven strategies , mindset shifts , and real-world stories from people who’ve already done the work. Guests share the lessons they wish they’d learned earlier—so you don’t have to learn them the hard way. What you’ll get from every episode: Actionable leadership lessons proven to drive results High-impact insights on decision-making, communication, culture, and resilience Personal stories from world-class guests that keep you inspired and engaged Practical frameworks you can apply to your business and career today Timeless wisdom from CEOs, entrepreneurs, diplomats, educators, and industry icons Why listeners love the show: Short, powerful episodes designed for busy professionals Expert guests with decades of real-world experience Clear, relatable, and memorable lessons that stay with you A trusted resource for continuous learning and leadership development If you’re committed to growth and want to learn from the best, 10 Lessons Learned is your weekly masterclass in becoming a more effective, self-aware, and impactful leader. Follow the show now and start learning lessons that will shape your career—and your life.

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June 30, 2026Episode 18747 min

Elena Colmenero The Secret to Powerful Leadership_ Connecting with Every Level

About Elena Colmenero Elena Colmenero is a People & Culture executive, organizational transformation leader and executive mentor with more than 25 years of international experience helping leaders, teams and organizations navigate growth, reinvention and change. As leaders move into bigger roles with larger budgets and responsibilities, they can become increasingly disconnected from what’s really happening on the front line and across the organization. The speaker explains how executives often receive filtered or biased perspectives from a shrinking circle of trust, losing a true pulse on both business and organizational realities. They argue it’s strategically valuable to stay connected at all levels—listening directly to people and hearing what they have to say—because many insights gained from lengthy HR surveys could be learned quickly through simple conversations. Maintaining open ears, an open mind, and relationships throughout the organization provides practical insight, new ideas, and meaningful perspective that goes beyond merely addressing internal “noise.” Episode Notes 00:00 Intro 07:57 Lesson 1: The People Are the Work 11:48 Lesson 2: Stop Talking, Start Hearing 14:33 Lesson 3: Loyalty Is Not Obedience 19:08 Lesson 4: Talent Needs Witnesses 22:17 Lesson 5: Authentic Doesn't Mean Unfiltered 27:17 Lesson 6: Power Does Not Change People, It Reveals Them 31:46 Lesson 7: The Climb Doesn't End When You Reach the Top 36:23 Lesson 8: Not Every Promotion Is Progress 38:54 Lesson 9: History Is Borrowed Experience 42:49 Lesson 10: Impact Is Not What You Control

June 16, 2026Episode 18652 min

Navigating Global Workplaces: Essential Tips for International Success

About Our Hosts Diana White has over 30 years in sales and retail experience, leading stores with revenues of over 10 million and a staff of 200. Consumer psychology, marketing, operations, and leadership are just a few of her skillsets. Seeing a need for startup and operations assistance within the local business community, Diana established D.E.W. Business Solutions, LLC, to provide consulting to small businesses. She obtained a Bachelor of Science in Small Business Administration from Northern Arizona University, holds a green belt in Lean Six Sigma, and is a certified Agile Scrum Master. She is committed to helping businesses and non-profits as well as the community at large. Siebe Van Der Zee is President of Vanderzee & Associates, Executive Search & Coaching. He has served as an international management consultant for over 25 years. For 28 years, Siebe has served as Honorary Consul of the Kingdom of the Netherlands in Arizona. He holds a Master's Degree in International Management from Thunderbird School of Global Management and he is a current member of the International Leadership Council at GPEC (Greater Phoenix Economic Council). Robert Hossary has been involved in the not for profit/charity sector for the past 12 years. Robert also has an excellent knowledge in international business. Since 2011 - 2018, Robert was the General Manager for the American Chamber of Commerce in Australia (AmCham) and helped advise many Australian and US companies about their international expansion requirements. Prior to that, Robert was Regional Vice President for the Americas for a technology manufacturer. He has also worked in Taiwan with responsibility for Asia Pacific and the Middle East. With a background in Technology, Transport, Fashion and Healthcare, Robert has a wealth of experience to share. Episode notes: 00:00 Special - International Lessons 00:21 Introduction 02:33 Guests' International Backgrounds 08:04 Biggest Challenges Working Abroad 16:14 What Is Culture? 17:45 Accepting an International Position 21:29 Family Considerations 26:56 Being a Citizen of the World 30:04 Empathy Through Cross-Cultural Experience 36:22 How to Acclimate to a Dominant Culture 42:48 Final Advice & Takeaways

June 3, 2026Episode 18542 min

Navigating Your Career: Lessons from Codie Comeau

About Codie Comeau Codie works in Sales at EF Education First as a Tour Consultant. He is a first-generation college graduated where he thrived, earning a Bachelor’s in Communication, Media & Design with a minor in Psychology. The journey did not stop there as he would later earn an Master’s in Business Administration with a focus on Innovation and New Venture Management. Although young, Codie has plenty of experience over many different industries including Engineering & Manufacturing, Entertainment, Education and start-ups. He takes on many passion projects, his most notable was the Tennis program at Clarkson University. Under his leadership, the organization thrived growing in members and budget as well as gaining USTA membership. Codie has a goal to be a global citizen and explore what the world has to offer. He believes that every new place he visits or new culture he experiences helps him to grow as a person and share new perspectives. Codie loves developing new skills and keeping a student mentality. He is excited to begin this new chapter in life and experience what lies ahead. If he’s not busy at work you can find him on the tennis court or golf course, where he still has plenty to learn. Codie Comeau has joined the 10 lessons learned team as the episode producer Episode Notes There is no one answer, extremely frustrating! You need experience… even before your first job Specialization is becoming more and more necessary Show your metrics

May 5, 2026Episode 18448 min

Master Public Speaking: Lukas Hefti's 10 Proven Lessons to Captivate Any Audience

About Lukas Hefti Lukas Hefti is the founder of www.speachers.com , where he has helped 100+ events across the globe find a great keynote speaker, connects great personalities with podcasts and the news, and supports speakers in their journey to improve. Currently, he manages the former Deputy Administrator of NASA, the Chief of Science at NASA, an astronaut, the former Head of HR for Elon Musk, a Nobel Prize Laureate, a YouTuber with 20+ million followers and more. After failing at computer science, he studied English and Geography at the University of Zurich, failed to become a musical actor, joined an IT company as a communicator and then built his own company to 2+ million USD in revenue over 3 years at age 27. In his free time, Lukas sings, dances, and performs close-up magic. Recently, he won the DanceCup Switzerland. Episode Notes 00:00 Intro 08:07 Lesson 1: Be Visible in Public 10:21 Lesson 3: Make It Easy to Book You 12:11 Lesson 2: Be Memorable and Easy to Share with Others 15:45 Lesson 4: Stay After Your Talks to Mingle 20:05 Lesson 5: Tell Stories Even When Your Topic Is Technical 23:10 Lesson 6: Pause and Summarize 27:42 Lesson 7: Use Language Your Audience Understands 30:29 Lesson 8: How You Say Things Is More Important Than the Exact Words You Use 34:30 Lesson 9: Don't Make Your Audience Waste Their Attention on Why They Should Listen to You 40:13 Lesson 10: Specificity Breeds Trust and Interest 43:41 Lesson 11: Not Everything You Say Has to Be on Your Slides

April 21, 2026Episode 18335 min

Persistence vs Progress, Self-Awareness, and Entrepreneurial Wisdom with CJ Cornell

About CJ Cornell Host Diana White welcomes returning guest CJ Cornell —entrepreneur, engineer, former Arizona State University professor who helped start its entrepreneurship program, mentor/advisor, and author of The Age of Entrepreneurship and new children’s books—to share 10 life lessons: finish what you start because completion creates results; knowing who you are and what you want outweighs being smart or ambitious; understanding the problem beats delivering a solution; hands-on expertise can become a curse if it prevents delegation; self-awareness and being present are rare superpowers; persistence isn’t always heroic and endurance can mask futility, so learn when to pivot; patience isn’t inaction and timing matters (illustrated by waiting for better AI tools to complete children’s books); listen for what isn’t said, including body language; most people aren’t thinking about you; and most fears aren’t real, illustrated by the “Scars Experiment.” Cornell shares current projects: two children’s series (entrepreneurship books and the Bailey Bear life-lesson books) plus an upcoming mentorship book, The Startup Brain Trust. CJ Cornell is the author of the bestselling book The Age of Metapreneurship – A Journey into the Future of Entrepreneurship, and The Startup Brain Trust – A Guidebook for Startups, Entrepreneurs, and the Experts that Help them Become Great, and coauthor of the textbook Media Innovation and Entrepreneurship. CJ Cornell holds undergraduate degrees in engineering, a master’s in management and a Ph.D. in marketing and strategy. Outside of business, CJ has practiced martial arts for 21 years and has been an instructor for eight years. He holds advanced black belts in Karate, Jujitsu, Aikido and in other disciplines. The Smithsonian recognized CJ as one of the influential teachers and mentors of 1999. ranked in the top 50 most influential websites for entrepreneurship and startups. Episode Notes 00:00 Leadership - Intro 02:54 Lesson 1: Complete Things 04:07 Lesson 2: Knowing Who You Are 08:36 Lesson 3: Understanding the Problem 10:51 Lesson 4: Hands-On Skills 12:55 Lesson 5: Self-Awareness 15:13 Lesson 6: Persistence 19:16 Lesson 7: Patience 22:10 Lesson 8: Learn to Listen 26:07 Lesson 9: People Aren't Thinking About You 28:17 Lesson 10: Your Fears Aren't Real

April 7, 2026Episode 18248 min

10 Lessons in Leadership and Life: Insights from Eddie Grobler

Rebroadcast in Memory of Eddie Grobler About Eddie Grobler In July 2019, Eddie established Commerce 2040. The main objective is to use Commerce 2040 as a “platform” for engagement with different stakeholders in the payments value chain with the key focus on payment flows in a dynamic and changing environment. He is currently involved is a number of explorative engagements with stakeholders – mainly start-up organisations and entities who are interested in entering the Australasian market. Eddie Grobler was the Executive Vice President: Australasia Division from 2008 and in August 2016, he was appointed as Executive Vice President: Realtime Payments. Based in London, he was responsible for the development and execution of Mastercard’s real time payments strategy. Part of this strategy was to acquire a UK real time payments company. Eddie was part of the due diligence team. After the successful acquisition of Vocalink he took responsibility for the integration of the company into Mastercard. This project was successfully completed in November 2018 after which he returned back to Australia. Eddie retired, after 20 years, from Mastercard on 31 December 2018. Prior to 2008 Eddie was Based in Johannesburg, as the Senior Vice President: Sub-Sahara Division Eddie was responsible for all the Mastercard Africa business operations, in particular, the development of the Mastercard franchise in Africa, sub-Sahara. He was instrumental in the opening of the Mastercard offices in Nigeria, Kenya and Morocco. Eddie holds two Master's Degrees: one in Business Leadership the other in Psychology. Episode Notes 00:00 Intro 05:15 Lesson 1: The Answer Is in Your Hands 08:11 Lesson 2: Culture Matters and Always Will 11:16 Lesson 3: Writing in the Snow 13:33 Lesson 4: What's Your Decency Quotient? 16:51 Lesson 5: Your Mindset Matters a Lot 21:47 Lesson 6: Far or Fast, You Choose 23:53 Lesson 7: Make Recognition Your Job 29:57 Lesson 8: Reverse Mentoring 36:12 Lesson 9: Your Career Is Not a One Day Game 39:30 Lesson 10: Don't Jerk the Knee or Shoot the Mouth

March 24, 2026Episode 18147 min

Mastering Career Success with Chelle Johnson: Lessons You Can't Miss

About Chelle Johnson Chelle is a first-generation college graduate who grew up with limiting beliefs, fear, and dysfunction. Through faith, resilience, grit, and determination, she achieved executive leadership roles in Talent Acquisition and Human Resources at Fortune 50 companies including Comcast, Lockheed Martin, Quest Diagnostics and Honeywell. She has lived and worked in Asia and Latin America, acquired her MBA, and speaks Spanish and English. Through her agency Best You Talent Advisors, she now helps high achievers and diversity allies discover and amplify their strengths and purpose and realize abundance in their careers and lives. Chelle is a career ally, change maker, and positive mental fitness authority who helps people be their best. She loves guiding people to get crystal clear on who they are and what they want and building the courage and confidence to achieve those personal and professional goals. She is known for coaching and advising people to listen to their inner wisdom, take risks, build their bravery and have the courage to seek their best lives. Episode Notes 00:00 Intro 11:25 Lesson 1: Learn the Business Deeply 16:17 Lesson 2: Relationships Matter 22:00 Lesson 3: Stay Curious and Keep Learning 30:44 Lesson 4: The Most Important Person to Impress is Yourself 38:04 Lesson 5: Admit and Learn from Failures

March 10, 2026Episode 18048 min

Samir Domah -You Can Learn As Much From The Little Guys As The Big Guys

About Samir Domah Samir spent over 15 years climbing the ladder in FMCG and data, helping brands win space on Tesco shelves and leading multi-million-pound insight and media portfolios for retailers like Booker, John Lewis and global CPGs. On paper, he had the classic "good job" story: senior roles, a growing team, and industry recognition including a Top 30 Under 40 Loyalty Royalty award. But after bad job role landed him hospital, he sought to make a change and within 12 months had become an Amazon #1 Best-Selling Author, Speaker on Men's Mental Health and taken his musings to stage with Stand Comedy. He now coaches others to make their life count. Episode Notes 00:00 Intro 03:13 Lesson 1: Make It Count 07:05 Lesson 2: Your Value Isn't Define by The Position You Are In Now 12:36 Lesson 3: Even Your Toughest Foe, Is Soft Somewhere Else 17:13 Lesson 4: Clarity Beats Complexity 20:25 Lesson 5: It's Easy To Overcomplicate Your Customer 25:25 Lesson 6: Do Pre-Mortems, Not Post-Mortems 29:56 Lesson 7: You Can Learn As Much From The Little Guys As The Big Guys 32:56 Lesson 8: Data is King, Humans Are Still The Queen 35:34 Lesson 9: Treat Your Sales Cycles like A Love Marriage 39:18 Lesson 10: The Best DEI Programs Have An Exit Plan

February 24, 2026Episode 17936 min

Navigating Career Success: Lessons from Ranjith Ravula

About Ranjith Ravula Ranjith Ravula is an inspiring entrepreneur who transitioned from earning hourly wages as a limo driver and accountant to founding a successful recruiting business. His journey began with humble beginnings, encountering setbacks and deceit, but he persevered and expanded his network. In 2016, he launched Raks Group, a firm that now boasts $4M in revenue as of 2022. Under his leadership, the company focuses on IT staffing and includes innovative services like SociaM8. Ranjith emphasizes the creation of a strong personal brand and helps others establish businesses in the USA. Known for his resilience and adaptability, Ranjith has exemplified how challenges can be transformed into opportunities. Outside of his professional achievements, he remains dedicated to his community and passionate about empowering others to succeed. Episode Notes 00:00 Career Lessons - Intro 06:49 Lesson 1: Mindset is Everything 10:25 Lesson 2: Embrace Setbacks as Lessons 14:13 Lesson 3: Prioritize Financial Discipline 19:00 Lesson 4: Invest in Relationships

February 10, 2026Episode 1781 hr 5 min

Matthew Hill - Forgive Yourself

About Matthew Hill With a career that spans corporate boardrooms, global classrooms, and stand-up comedy stages, Matthew Hill brings a rare blend of wit, warmth, and wisdom to the art of communication. As a leadership trainer, intercultural facilitator, and presentation coach, Matthew helps executives, emerging leaders, and teams unlock confidence, clarity, and impact—whether they’re pitching, presenting, or navigating high-stakes conversations. Having trained teams from EY to GE Capital, and delivered workshops in more than 30 countries, Matthew is deeply versed in the real-world dynamics of cross-cultural communication and influence. His sessions are energising, applied, and always action-oriented. He’s especially skilled in flipping limiting beliefs—taking the "I could never" and transforming it into “watch me do it.” Whether he’s guiding a nervous speaker through their first keynote, coaching a CEO on how not to bore their team, or mediating conflict with humour and empathy, Matthew knows how to meet people where they are—and move them forward. He thrives in global settings, whether in-person or virtual, and has built a reputation for helping professionals of all stripes find their voice, sharpen their message, and lead with purpose. From webinars to live workshops, he’s equally at home behind the mic or in front of the room, and brings sharp insight and lively storytelling to every conversation. Matthew’s book “Learn How to LEAD; Believe, Behave & Become” is available now. Episode Notes 00:00 Intro 07:08 Lesson 1: Forgive Yourself 12:18 Lesson 2: Perfect Preparation Prevents Piss Poor Performance 17:22 Lesson 3: Do Your Best, No More, No Less 23:16 Lesson 4: Network Like a Crazy Person 31:42 Lesson 5: No Health, No Wealth 38:38 Lesson 6: Always Have a Story Ready to Tell 44:23 Lesson 7: Be Creative and Determined 49:11 Lesson 8: Have Three Answers to Every Problem 53:48 Lesson 9: Einstein's Favorite Human Invention - Save Money Early 55:53 Lesson 10: Do the Other Side's Work as Well