Dan Rootenberg is the CEO of Spear, which he co-founded in 1999, working out of a small treatment room in midtown Manhattan. He had a singular vision for combining clinical excellence with a five-star customer service experience. Spear has since grown to 55+ locations throughout NYC, Westchester, Long Island, New Jersey and CT, employing over 950+ people currently and is continuing to expand further.

Dan’s focus on organizational leadership has resulted in several honors and recognitions from business, medical and academic institutions. Dan is an EY Entrepreneur Of The Year® New York finalist, National Entrepreneur of the month winner and an Olympic Team medical coordinator. Spear has been named to the Inc5000 list of fastest growing private companies in America seven times, received Columbia University’s Award for Leadership in Clinical Education twice and has been named by SmartCEO magazine as a Future50 company five times.

Dan has been honored with the National Practice of the Year award twice, by two industry leading organizations.

Prior to Spear, Dan played pro baseball on three continents. In the summer of 2021, Dan traveled to the Olympic Games in Tokyo as a team PT and medical coordinator as well as fulfilling that role in Major League Baseball’s World Baseball Classic tournament held in Seoul, Tokyo and Jupiter, FL.

Dan also served on the Board of Directors of Peter Stuyvesant Little League and the Bonnie Youth Club, two organizations devoted to teaching children lifelong values, self-worth, and responsibility through baseball. Dan has made numerous guest spots on Sports Talk radio, and was featured in the award-winning documentary “Holy Land Hardball”. Dan now plays tennis in his free time and lives in NYC with his wife and three children..

BobKaplan just brought out a new book, GRAPPLING: Leaders Striving To Improve. It’s short stories, fictionalized cases, meant to bring executive coaching to life, which is often a struggle, a wrestling match with yourself. GRAPPLING is a novel approach to writing about leadership and self-improvement, and very readable.Bob’s previous book is Fear Your Strengths—What You’re Best At Is Probably Your Biggest Problem. He is founder and president ofKaplanDeVries, a leadership-consulting firm. Learn more at KaplanDeVriesand http://kaplandevries.com/booksBobhas a bachelor’s degree in English and a doctorate in organizational behavior from Yale, and lives in New York City with his wife, Becky.

NeilTrickettis a physical therapist, and private practice marketing expert. Neil built a 7 figure PT practice with his wife, Amy, in which he transitioned out of in 2010. He then founded Practice Promotions, and has built that to be one of the largest multi-7 figure marketing agencies in North America, specializing in Rehabilitation. Neil's passion is for helping practice owners scale their business by leveling up their marketing systems and websites. Neil's company, Practice Promotions, currently services over 1200 clinic locations across the U.S. and Canada.

Adrian Koehler, the no-nonsense leadership

engagement expert and Senior Partner at Take New

Ground, is the go-to guide for fast-moving leaders.

Dedicated to breaking through barriers, he spends

his time helping entrepreneurs and enterprise

leaders cut through the noise and create

transformative outcomes. Adrian coaches

executives globally, encouraging authentic

leadership and fostering courage for meaningful

change. His passion for human performance has led

him to diverse contexts, from Fortune 500

organizations to startups and healthcare, making

Adrian a catalyst for real talk and impactful results.

Adrian Koehler extends his influence beyond the

boardroom as the co-host of "Raising The Bar" and

"The Naked Leadership Podcast.

" Drawing on his

background in philanthropy, ministry, activism, and

medicine, he thrives in difficult conversations and

engaging complexity, challenging listeners to live

authentically. Currently residing in the heart of

Hollywood, with his children Scout and Charli, Adrian

is on a mission to inspire authentic leadership, urging

individuals to raise the bar in both personal and

professional realms.

John D. Marvin is a visionary entrepreneur, acclaimed columnist, and influential leader dedicated to empowering others to unlock their full potential. As President and CEO of Texas State Optical, John has cultivated a thriving business network while spearheading initiatives in health and wellness consulting and eyecare partnerships. With a steadfast commitment to personal growth, John has spent years studying the transformative power of mindset and the “inner game” in achieving success. Beyond his entrepreneurial endeavors, Through his unwavering dedication to making a difference, John D. Marvin epitomizes the essence of leadership and empowerment, making him a compelling guest for any podcast seeking to inspire and motivate their audience. TSO brings in around 110M$ in revenue annually.

Nancy is a Co-Founder and Managing Partner at

Rallyday Partners, a private equity firm built by

founders for founders, focused on lower middle

market growth companies.

Nancy’s experience as an entrepreneur informs her role as an investor at Rallyday Partners. Nancy and the

founding team at Rallyday wanted to build the private equity firm that they would have wanted to partner

with on their own entrepreneurial journeys. In practice, this involves a multi-stakeholder approach and an

intense focus on purpose, culture, leadership development alongside the typical focus on growth and financial

returns. Rallyday’s purpose statement is to Empower leaders to go even bigger, create the most value for the

most people, and share in the experience of a lifetime. As Managing Partner, Nancy leads efforts to identify

new investment opportunities and guides value creation efforts in partnership with portfolio company

leadership teams. Nancy leads Rallyday’s investments in Highbar Health, Livefront, Nimble Gravity, and

Kicksaw and supported Pyx Health to a successful exit in 2023.

Nancy is a 35 year + veteran of the telecommunications and IT infrastructure industry. She has spent her

entire career building and growing service-focused organizations demonstrating the power of people in a

technical world. A longtime leader in Denver’s tech industry, she co-founded ViaWest in 1999 and served as its

President & CEO, successfully scaling the company to become one of the largest colocation and cloud

providers in the industry. In 2017, the company was acquired by GI Partners for $1.675 billion and combined

with Peak10, another IT infrastructure powerhouse. Now called Flexential, the company is a leading provider

of data center solutions spanning colocation, connectivity, cloud, managed solutions and security services.

Nancy served as chair of the board until the end of 2024.

Previously, Nancy served as president of Shaw Business Infrastructure Services, a division of Shaw

Communications (NYSE:SJR). Nancy held founder and executive leadership positions with numerous

technology companies, including TSC, ConferTech International, ITC, RMI.net and Intrepid Communications,

where she enabled significant growth while maintaining a deep customer-centric focus. She has raised over

$1.1B in equity during her career and consistently provided strong returns to her shareholders.

Nancy is a passionate supporter of the Colorado entrepreneurial community as well as furthering the

participation and advancement of women in computer science. She serves on the boards of the National

Center for Women and Information Technology, where she is chair; Blackstone Entrepreneurs Network; Espire

Dental; Highbar Health; Livefront; Nimble Gravity; and Kicksaw and formerly served on the National

Cybersecurity Center as well as the University of Denver Board of Trustees.Nancy has received numerous accolades for her visionary leadership and, in 2016, was honored with the

inaugural Colorado Governor’s Citizenship medal for Growth and Innovation, which recognized her as an

entrepreneur with exceptional ingenuity who seeks to inspire and create new possibilities for others. She also

was selected as the 2016 EY Entrepreneur of the Year in Technology Services for the Mountain Desert Region.

Nancy has also been recognized in the global technology community when she received the Canadian

Governor General’s Medallion in recognition of her distinguished track record building technology businesses.

Nancy embraces the best of Colorado by spending time with family including her beloved black lab, Brooklyn,

in the mountains skiing, cycling and hiking. A native of Toronto, Nancy received a Bachelor of Arts degree from

Queens University in Canada.

Michelle Collie is a Physical Therapist and business owner who grew her company from one location to 35 and has now partnered with RallyDay to continue growth in the the Northeast United States. She has been a Board Member of the American Physical Therapy Private Practice Association and has received numerous awards as a Best Employer! Her company is now Highball Health.

Lawrence Armstrong is the chairman of Ware Malcomb, a leading design firm that he helped grow from 3 offices to over 46 offices globally. He started at the company in 1984 and eventually purchased it from the founders in 1992. As an architect and artist, Lawrence has leveraged both his creative and strategic skills to drive the firm's success.

Lawrence believes it's important for architects and designers to develop both their creative and business skills. He advocates for "whole brain" thinking, drawing inspiration from Renaissance figures like Leonardo da Vinci who excelled in diverse domains. Lawrence's own background as an internationally exhibited artist has complemented his work as a business leader.

Under Lawrence's leadership, Ware Malcomb expanded from 3 offices to over 46 offices across the US, Canada, Mexico, and Brazil. He emphasizes the importance of maintaining a "one team" culture and consistent service delivery across the distributed offices, leveraging centralized resources and collaborative processes.

Recognizing the need for strong leadership as the company scaled, Lawrence focused on building a leadership development program to identify, train, and mentor the next generation of leaders at Ware Malcomb. This included executive coaching, mentorship, and creating opportunities for emerging leaders to take on greater responsibility.

In addition to his work at Ware Malcomb, Lawrence has been actively involved in addressing homelessness in his local community of Orange County, California. He helped launch a program called "United to End Homelessness" that has housed over 1,100 people through innovative approaches like landlord incentives.

As Lawrence transitions from CEO to Chairman, he is spending more time pursuing his passion for art and creativity. He discusses the iterative, collaborative process of writing his new book "Layered Leadership" and is open to the possibility of future writing projects, though he is focused on the current book launch for now.