Expert Dentist
Bart Knellinger is the President and CEO of Progressive Dental, a full-service dental marketing and coaching agency. By focusing exclusively on the dental industry, Bart recognized that dentists needed more than a traditional marketing firm, they needed a strategic partner. This insight led to a new, client-centered approach that reshaped both the agency model and the way dental practices grow and operate.
Progressive Dental is dedicated to sustainable dental practice growth. The company delivers a turnkey solution that combines dental marketing, team motivation, sales training, and strategic business coaching. As the only dental marketing company offering both high-value lead generation and a proven sales system, Progressive Dental helps doctors achieve higher closing rates and a strong, measurable return on investment.
Bart grew up in a family of dentists in Palm Harbor, FL. His father, Dan Knellinger DDS, has a practice in Palm Harbor and his mother, Jennifer Knellinger, works in the office. Bart has three sisters, two of whom are also practicing dentists with Dr. Knellinger and the other is an attorney. Although his parents owned a dental practice, they wouldn’t discuss the business in front of the kids. If he heard his parents say anything about the dental practice, it would be on stressful topics such as the business side of the practice, like hiring, training, processes, finances, marketing, etc.
Unlike his siblings, Bart knew he wanted to be an entrepreneur. Instead of attending college, he moved to Chicago after high school, working in door-to-door sales. He became skilled in communication, rapport, and acquired an incredible work ethic. Bart founded Progressive Dental Marketing when he saw a need… that doctors did not have the time, knowledge, or plans to bring in leads for this treatment. Thus, Progressive Dental Marketing became a marketing firm that focused on learning everything about running a practice, and the problems dentists and their teams face when it comes to growth.
Bart realized the traditional dental business model wasn’t serving dentists, or their patients. Most practices focused on volume over value, leading to burnout and inefficiency.
He transformed his father’s practice by switching from generic marketing to treatment-focused messaging. This strategy brought in high-value cases and proved that sales systems mattered.
Seeing a larger need across the industry, Bart launched Progressive Dental to help practices grow with marketing, business coaching, and lead conversion strategies all in one.
To bridge the gap between leads and revenue, Bart built a training system that teaches dentists and their teams how to close full-arch cases consistently, and with confidence.
Bart realized the traditional dental business model wasn’t serving dentists—or their patients. Most practices focused on volume over value, leading to burnout and inefficiency.
He transformed his father’s practice by switching from generic marketing to treatment-focused messaging. This strategy brought in high-value cases and proved that sales systems mattered.
Seeing a larger need across the industry, Bart launched Progressive Dental to help practices grow with marketing, business coaching, and lead conversion strategies all in one.
To bridge the gap between leads and revenue, Bart built a training system that teaches dentists and their teams how to close full-arch cases consistently—and with confidence.
Bart recognized that dentists needed more than marketing, they needed a strategic business transformation and soon Progressive Dental evolved into a complete growth system built to scale high-value dentistry and maximize impact.
Dentists were focused on providing as many services as possible to all types of patients. Clinicians needed to be more strategic in growing their business and focus on the type of dentistry that would make the most impact in a patient’s life.
Bart’s vision focused on creating individualized pathways for clinicians, aligning purpose with sustainable practice growth.
Bart saw dentists trapped in an overworked, owner-operator model. Progressive Dental helped them move to specialized, high-impact care, working less, earning more, and focusing on meaningful dentistry.
Bart realized lead generation wasn’t enough. He launched The Closing Institute to train teams on conversion, case presentation, and workflows, becoming the backbone of Progressive Dental Marketing's growth model.
Bart recognized that dentists needed more than marketing—they needed a strategic business transformation. What started as a laser sales solution evolved into a complete growth system built to scale high-value dentistry and maximize impact.
Bart began by selling the dental laser to build capital, while also introducing dentists to marketing and sales techniques. He coached clinicians to shift their focus away from volume and instead pursue high-revenue, transformative cases. Once Progressive Dental was financially stable and focused on profitability, Bart stepped away from laser sales to fully dedicate himself to supporting clinicians and reshaping practice models.
“My goal is to help them reach their goal. What I’m going to sell is not important. What is important is I understand where you are now, where you want to be, and what your goals are. I’m going to help you make a plan. Whether that’s working with me or not, this plan is going to make sense.”
— Bart Knellinger
Bart’s vision centered around building individualized pathways for clinicians—not just increasing numbers, but creating alignment between purpose and practice growth.
Bart identified a major flaw in the dental industry: most clinicians were stuck in a small business owner-operator mindset. They were offering too many services to too many patients—leaving them overworked and reactive. Through Progressive Dental, Bart helped dentists shift toward strategic, specialized care that made a greater impact in patients’ lives. The result? Practices could work less, earn more, and focus on the dentistry that truly mattered.
Lead generation wasn’t enough. Bart realized dentists needed support converting those leads into real results. He launched The Closing Institute—a complete system to train teams on presenting treatment options, handling objections, triaging financial cases, and mastering workflows. It quickly became the backbone of Progressive Dental’s growth model, helping practices maximize ROI and dominate the full-arch treatment space.
Bart began by selling the dental laser to build capital, while also introducing dentists to marketing and sales techniques. He coached clinicians to shift their focus away from volume and instead pursue high-revenue, transformative cases. Once Progressive Dental was financially stable and focused on profitability, Bart stepped away from laser sales to fully dedicate himself to supporting clinicians and reshaping practice models.
“My goal is to help them reach their goal. What I’m going to sell is not important. What is important is I understand where you are now, where you want to be, and what your goals are. I’m going to help you make a plan. Whether that’s working with me or not, this plan is going to make sense.”
— Bart Knellinger
Bart’s vision centered around building individualized pathways for clinicians—not just increasing numbers, but creating alignment between purpose and practice growth.
Bart identified a major flaw in the dental industry: most clinicians were stuck in a small business owner-operator mindset. They were offering too many services to too many patients—leaving them overworked and reactive. Through Progressive Dental, Bart helped dentists shift toward strategic, specialized care that made a greater impact in patients’ lives. The result? Practices could work less, earn more, and focus on the dentistry that truly mattered.
Lead generation wasn’t enough. Bart realized dentists needed support converting those leads into real results. He launched The Closing Institute—a complete system to train teams on presenting treatment options, handling objections, triaging financial cases, and mastering workflows. It quickly became the backbone of Progressive Dental’s growth model, helping practices maximize ROI and dominate the full-arch treatment space.
Most sales training sounds great in the room. The concepts make sense, the scripts feel simple, and everyone leaves motivated. But once teams return to their practices, that confidence fades. Without immediate application and real-world feedback, even the best ideas break down during live patient conversations, costing practices high-value cases they were fully capable of closing.
Bart is the keynote speaker at The Closing Institute Boot Camp, a two-day full-arch business event to give doctors and their team the exact techniques to close high-dollar cases in volume. “I noticed that it was not making the impact I envisioned. Meaning, they understood the contents conceptually, they agreed with it, and it even sounded simple. Unfortunately, the problem was our clients could not do it. We quickly realized that, as with anything new, you need to apply it immediately and it’s in the applying that you actually learn.” Bart Knellinger says. To get dentists to the next step, Bart and the TCI team elevated The Closing Institute into a consistent, ongoing mentorship program. The bootcamp seminars are where clinicians and their teams go to get their first exposure. They can then sign up for a mentorship program.
The mentorship program includes a dedicated coach who does phone calls, call critiques, video critiques of the consultation, and more, so that Progressive can provide constructive criticism and feedback. Through The Closing Institute, Bart hosts in-person power sessions every month so that dentists can learn from him and the whole Progressive Dental team. This is similar to a sales trainer in other industries working alongside a new sales rep, riding with them, or working phone calls with them. The program even hosts in person power sessions every month to learn from Bart and the whole Progressive Dental team.
It conveys a sense of optimism, positivity, and the desire to enhance smiles. The word "bright" suggests both the visual aspect of a radiant smile and the overall sense of happiness that a healthy smile can bring.
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