Experience exponential growth and reach new heights in management success with our expert guidance. Embrace a culture of progress and unlock the true potential of your company. Let us help you thrive quickly.

Experience exponential growth and reach new heights in management success with our expert guidance. Embrace a culture of progress and unlock the true potential of your company. Let us help you thrive quickly.

Each RDL coach/trainer has at least 25 years of in-the-trenches leadership and executive experience, bringing our lessons learned to each and every class.

Vaughn Sigmon


Get ready to be inspired by Vaughn, co-founder of Results-Driven Leadership. He is not your average leadership development expert. As a co-founder of Results-Driven Leadership and former Carmax executive, he knows what it takes to be a high-impact leader and manager. Rather than offering theory, his coaching and training programs provide common-sense advice and direction based on real-world experience. It’s no wonder that Carmax, the country’s largest and most respected company in the auto industry, is a Fortune 100 Best Places to Work.

Vaughn’s leadership methods are sure to impress. His mission is to improve the impact of executives and managers by enhancing their knowledge, skills, and abilities.

His motto says it all: “No matter what business you’re in, you’re in the people business.”

Tony Penn


Tony Penn works in 3 different ways to share his insights and analysis. Penn Restaurant Group, a full-service restaurant consulting company, Business Consulting with Penn Ultimate Consulting, helping business owners create a shift that leads to growth and profits, and RDL Training, helping to improve the impact of executives and other managers by increasing their knowledge, skills, and abilities.

Drawing from his more than 25+ years of experience in the restaurant and hospitality industry, Tony has a reputation in the industry as a trailblazer having created, opened, and implemented a variety of long-standing and ground-breaking concepts. He launched the first Outback Steakhouse brand in California, helped create and expand the Buca di Beppo concept, franchised and scaled the Counter Burger franchise, and partnered with Food Network star Aaron Sanchez to introduce several successful ventures.

Danny Lanz


With 20 years of progressive leadership in Aerospace and High-Tech industries, Danny has managed almost every functional discipline from software development to engineering; sales to accounting; program management to operations. Danny participated in leadership development programs at Northrop Grumman and Eaton Corporation, including an MBA and several certificate programs. Danny has successfully managed people in roles ranging from hourly manufacturing to executives, with responsibility for as many as 1200 people.

Danny is a proven problem solver in complex operational recovery scenarios. Examples include manufacturing plant closures, supplier bankruptcies, cash flow challenges, ERP implementations, and major product/service quality improvement projects.

Dennis Bernstein


Dennis Bernstein is a seasoned business and organizational development executive with over 20 years of experience in the SMB market.  He has brought his expertise in identifying new Distribution Channels, Strategic Partnerships, Lead Generation, Relationship Sales, Marketing Strategy, and Sales to Startups as well as small mid market companies in various industries.  His clients have included a Global Law Firm, a Regional PEO, Tax Services Firm, a regional Insurance Brokerage, a Non Profit and many others. He built a food service business and a business services organization with successful exits.  He is a sought after motivational speaker focusing on the importance of social capital and how to be a more effective leader.

John Karwacki


John Karwacki is a dynamic leader, motivator, and facilitator with extensive business acumen gained through over 30 years of executive experience in the retail and commercial banking industries. As a Vice President with PVH Corp, a Fortune 500 company and one of the world’s largest and most admired fashion companies, John’s vision and strategic initiatives helped drive top-line sales for 5 years running, transforming one the most poorly performing divisions into one of the best.

Having considerable experience with the entire spectrum of the business cycle, John has vast expertise in helping companies navigate the complexities of rapid growth and expansion during good times, as well as right-sizing, consolidation, and dealing with the changes that come during more challenging periods.

John’s experience in recruiting, screening, and selecting best-talent, creating training programs, developing teams, performance management, and talent assessment is unparalleled. He is familiar with many of today’s top-of-mind concerns ranging from cultural and emotional self-awareness, diversity, inclusion, and unconscious bias.

John holds a Bachelor of Arts degree in Economics from Hamilton College in Clinton, NY. John is an avid runner, and enjoys yoga, kayaking, and spending time with his family in Maine.

Eric Van Doren


Eric Van Doren is a seasoned professional with over 30 years of experience in retail, manufacturing, and construction. He worked as an executive at PVH Corporation, where he honed his skills in recruiting, retaining, and developing effective teams. He rose through the ranks to become the Western US Regional Sales Manager overseeing over 1,000 associates and 100 million in annual sales.

Throughout his career, Eric has developed a strong ability to identify opportunities for growth and profitability. He has a proven track record of success in streamlining and managing complex systems. He can quickly and effectively identify areas for growth in companies looking to build stronger relationships with both internal & external customers. In addition to his technical skills, Eric is a natural leader with a talent for mentoring and motivating teams.

Eric holds a Bachelor’s degree from San Diego State University. He is also certified in Workforce Inclusion and Diversity.
In his free time, Eric enjoys Paddleboarding, skiing, and spending time with his two daughters and chocolate lab.