About Us

Chrisad is the world’s largest & most successful practice marketing agency. We bring in scores of new patients & stimulate existing patient retention & referrals, while enhancing the respect that the dental profession deserves. Our proven external & internal practice marketing approach has cost-effectively built the most successful practices in the U.S., Canada, the United Kingdom & Australia.

Meet the chrisad Client Services Team

How chrisad Began & Our Driving Philosophies

Your chrisad Marketing Experts

John R. Christensen


Founder & President

John Roy Christensen is the founder & president of chrisad, the world’s oldest & largest dental marketing & advertising agency.

John Christensen graduated from the University of California, Davis in 1975 & attended Gonzaga Law School from 1977-1978. He graduated from Northwestern University’s Advertising Masters program with a specialized master’s degree in advertising management in 1980 & founded chrisad the same year. John was inducted into Northwestern’s prestigious Hall of Achievement in April 2004.

Chrisad is now the largest & oldest dental-only or dental-related marketing organization in the world, with 1,500 clients in 8 nations. Propelled by chrisad’s integrated marketing approaches, combined client sales grew by approximately $400 million in 2015 to approximately $3.9 billion total. Chrisad as a company has grown every quarter since its inception in 1980.

John lectures at dozens of dental schools & graduate business/marketing universities across the U.S. & in other nations, including Northwestern University, UCLA, UCSF, Hofstra University, the University of Alabama, the University of the Philippines, Baylor University & many more.

John has written 8 extensive & regularly upgraded books on various aspects of the dental practice growth management process, which are available to clients on chrisad’s website. John has also written over 1,000 short articles & white papers on the marketing-stimulated dental practice growth process.

Over chrisad’s 36 years, John Christensen has directed dozens of extensive market research exercises into the mindset, awareness & thought process of the dental consumer. He oversees the world’s largest database of dental patients’ marketing-related behavior, with trend & variable analysis from over 2,000 dental offices in the U.S. & around the world.

John has served as an expert (& non-expert) witness in numerous legal cases, most notably on behalf of the Federal Trade Commission’s action against the California State Dental Association in the early 1990s.

In addition to his pioneering work with chrisad, John Christensen is co-founder of the CS Foundation, a non-profit he started with graduate school classmate Shekar Swamy. The CS Foundation builds health centers & hospitals in impoverished areas of south India.

John has 5 children ranging in age from 2 years to 30. He is an avid (or rabid?) traveler, hiker, skier & photographer.

No one in the world has visited more dental offices, over as many years, in more nations, states & provinces than John. Over the past three decades, John’s in-market experience has taken him 5.8 million miles by plane & half a million by car.

John represents all 50 US States, Canada, Ireland, the United Kingdom, Australia, Spain & Guatemala.

Nick Gauthier

Chief Operating Officer


Nick attended California State University in San Diego & San Francisco & holds a degree in broadcast & electronic communication arts. He has been with chrisad since 2006. Nick loves that chrisad gives dentists a proven method to attain the type of prosperous practice they’ve dreamed of since dental school. He finds it very rewarding to be able to look at clients’ statistics to guide them toward opportunities for growth & prosperity.

Staci Bonaso


Director of Client Services & Compliance

Staci works closely with new clients or those who are experiencing unusual or significant roadblocks to their practice growth & are in need of a passionate & trusted advocate who can develop their practices with a solid marketing investment in the quest for prosperity & security. Staci has served in the financial sector in a client services & management capacity, where she created new systems to increase revenues for her clients, while mentoring staff in the interest of providing clients with outstanding customer service & dedication.

chrisad’s Growth Management Representatives

Cory Schoebel

Director of Growth Management


Cory is a 1997 graduate of Western Michigan University & the son of a successful chrisad practitioner. Since joining chrisad in 1999, Cory has amassed a vast amount of knowledge & experience regarding practice growth & management. He has lectured regularly on the marketing & development of hundreds of successful chrisad practices. Cory manages clients in the most challenging marketplaces & continuously monitors the dental industry’s growth trends & statistics.

Cory oversees client growth in all 10 nations that chrisad serves.

Joshua Blount

Senior Growth Management Representative


Josh is a 2002 graduate of the University of Wisconsin-Eau Claire. Before joining chrisad in 2007, he marketed new vision-testing technology to pediatricians. Prior to his work in the medical field, Josh consulted businesses in cost consolidation & increased production in everyday operations. Josh applies his business acumen & experience to help clients reach their goals.

Josh represents Arizona, California, Hawaii, Montana, New Mexico & Nevada.

Matt Pryor

Senior Growth Management Representative


Matt Pryor graduated from the University of South Carolina with a degree in advertising in 2005. Prior to joining chrisad, he worked as an advertising account executive for a daily newspaper’s print & website editions. As a chrisad team member, Matt is dedicated to his clients’ success & will do whatever it takes to ensure they prosper.

Matt represents Eastern North Carolina & North America East.

Mike Angel

Senior Growth Management Representative


Mike graduated from California State University, Chico with a degree in marketing. He has been working with chrisad since 2009 to successfully guide clients throughout the continental United States, mainly on the West Coast. He is dedicated to helping clients realize their untapped growth potential & will do whatever it takes to ensure they prosper.

Mike represents clients in all major U.S. markets.

Joe Peltier

Growth Management Representative


Joe graduated from Loyola Marymount University with degrees in philosophy & photography. Prior to becoming a Growth Management Representative, Joe worked as a Marketing Specialist at chrisad, quickly acquiring a vast knowledge of the principles of dental marketing & helping to design & implement marketing strategies for clients throughout the United States.

Joe represents Connecticut, New York, Massachusetts, Rhode Island, New Hampshire, Vermont, Maine, Ireland, & Spain.

Leslie Leupen

Growth Management Representative


Leslie is a 1999 graduate of Oral Roberts University, where she earned her Bachelor of Science degree in physical therapy. She brought over 14 years of experience in advertising & marketing to chrisad & worked previously as an executive in Dallas/Ft. Worth before joining our team. She excels at strategizing with clients to clarify their path to success.

Leslie represents Oklahoma & Texas.

Brian Gale

Growth Management Representative


Brian attended Syracuse University & holds an MBA with a dual concentration in marketing & finance from the University of Connecticut. He has over 10 years of experience, much of which is in the medical/healthcare field, most recently with an industry-leading consulting firm. Brian shows his dedication to superior customer service by establishing long-lasting relationships based on trust, honesty & a willingness to both “ask the tough questions” & “go the extra mile.”

Brian represents South Carolina, Georgia, & Florida.

Sean Grace

Growth Management Representative


Sean studied communications at Houston Community College in Texas. He has been a consultant for over 15 years, helping working professionals such as architects, engineers & the construction industry streamline their workflow & make their marketing more efficient by reducing costs on visual communication. He enjoys building partnership relationships with clients by collaborating with them to reach their goals, grow their businesses & improve the lives of all involved. He & his wife are enjoying raising their two young children in the area.

Sean represents Maryland, Virginia, Colorado, Utah, Louisiana, Mississippi, Texas, Wyoming, & Washington, D.C.

Chris Ternus

Growth Management Representative


Chris joined chrisad in January of 2008 after graduating from the University of Oregon in 2007. Chris has a unique perspective within chrisad, having started as a Graphic Designer in the creative department before being promoted to a client contact role in 2010. Since then he has been working with doctors directly to help them achieve & exceed their goals.

Chris represents Alaska.

Matt Angel

Growth Management Representative


Matt is a graduate of California State University, Chico, where he earned a degree in marketing with a minor in psychology. He has been part of the chrisad team since 2010. Matt has worked in several different positions at chrisad before being promoted to Growth Management Representative, giving him a valuable breadth of understanding of client growth & prosperity. Matt’s top priority is achieving tangible results for his clients & he is personally dedicated to the success of every practice he works with. He & his wife were born & raised in the Bay Area & currently enjoy living there together.

Matt represents Northern California & Northern Nevada, & Oregon.

Bailey Schneider

Growth Management Representative


Bailey studied business at the University of Alabama, where she was also captain of the All Girl Cheer Squad. Prior to joining chrisad, she worked as a consultant with Next 90 Coaching. Bailey believes in changing dentistry one dental office at a time. She wants to not only help guide doctors to a long life of prosperity but also to better serve their communities, take excellent care of patients & support the livelihoods of their staff.

Bailey represents Ohio, West Virginia, Illinois, Indiana, Kentucky, Tennessee, & North Carolina.

Bill Campagna

Growth Management Representative


Bill attended the University of South Carolina & holds a Bachelor of Science degree in Business Administration. He has 15 years of experience working closely with dental practices across the tri-state area, most recently as a Dental Practice Management Consultant with a successful dental group in New Jersey. His extensive experience & dedication allows him to collaboratively strategize with his clients to ensure the highest levels of success & prosperity. Bill has a beautiful 15-year-old daughter & resides in New Jersey.

Bill represents New Jersey, Pennsylvania, & Delaware.

Wam Sianga

Growth Management Representative


Wam studied Public Administration at the University of Zambia, Accountancy with the Association of Certified Chartered Accountants & Business Management in the United Kingdom.
He has 13 years experience as a UK Dental Practice Business Development Manager & was a Dental Business Consultant before joining Chrisad. Wam understands the business of dentistry & is an expert in addressing the challenges particular to dentists in the U.K. market.

Wam represents the United Kingdom.

Andrea McElaney

Growth Management Representative


Andrea received her Business Management degree with a concentration in Marketing & Organizational Behavior from Boston College in 2004. Andrea has over 12 years of experience in the dental industry, including helping dentists open or renovate practices & hygiene product sales. Andrea combines her intimate knowledge of dental offices with chrisad’s statistically proven marketing & growth strategies to help her clients exceed their goals.

Andrea represents Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, Upstate New York & Ontario.

Matthew Dale

Growth Management Representative


Matthew earned dual degrees in Business Management & Marketing with a concentration in Entrepreneurship from Purdue University in Indiana. As the son of a successful chrisad client, he personally witnessed the growth of his parents’ dental practice. He uses the same dental marketing strategies to help his clients prosper.

Matthew represents North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Arkansas, Wisconsin, Saskatchewan & Manitoba.

Damon Jones

Growth Management Representative


Damon studied Business Management at Concordia University Wisconsin & Marketing at Massey University Auckland. He began his professional career developing worldwide training programs. Damon has been based in New Zealand for the past 19 years with a proven track record of success across business-facing & consumer-facing industries, including dentistry & medicine. He is dedicated to ensuring clients achieve their financial goals & crafting trusted & successful brands.

Damon represents Australia & New Zealand.

chrisad’s Client Services

Nicole Dumitrescu (Holmes)


Director of Client Services & Events

Nicole graduated from California Polytechnic State University, where she studied Graphic Design & Graphic Communications. She has been part of the chrisad team since 2005 & in that time she has honed her dental marketing expertise in both in the Creative Services & Client Services departments. As the Director of Client Services & Events, she oversees our Marketing Assistants & Schedulers, provides support to Brand Managers & Growth Management Representatives, & plans & coordinates our client conferences (No Limits) & our participation in tradeshows & conventions. She acts as the face of chrisad in many interactions around North America & the world.

Jenny Zuckerman

Senior New Business Executive


Jenny joined chrisad in July 2006 with 12 years of experience in the dental field, 2 years of which were spent working in one of chrisad’s client offices. As the New Business Account Executive, Jenny provides each potential new client with a vast amount of marketing knowledge & discusses expectations & goals while conveying how chrisad can benefit their practice. Jenny is extremely dedicated to her clients & is very passionate about their success.

chrisad’s Brand Managers

Natalie Coley

Brand Manager


Natalie graduated from Sonoma State University in 2001 with a Bachelor of Science degree in business administration with a concentration in marketing. She has more than a decade of experience with chrisad in various roles & has recently returned as a Brand Manager, where her experience, knowledge & passion can make the greatest impact for her clients’ practices & their related success & prosperity.

Daniel Farmer

Brand Manager


Daniel graduated from Fordham University with a degree in marketing & a minor in psychology. He joined chrisad in 2013 & has since held many client support positions. He has also done international dental market research in the United Kingdom. Daniel’s background & diversity of experience make him particularly well suited to seeing the whole picture when it comes to client growth & success. He is passionate about having the opportunity everyday to help dental practices achieve their full potential.

Barry Erde

Brand Manager


Barry graduated from Bernard Baruch University with BBA in business management. Barry spent over seven years with Pride Institute, one of the most respected & established consulting firms within the dental industry, & then spent nine years in the software industry, helping companies better manage & efficiently grow their businesses with Accounting & Business Management applications. This experience gives Barry a firm understanding of what it takes for a dental practice to succeed & thrive in the marketplace.

Geoff Greenlee

Brand Manager


Geoff studied Marketing & Economics at the University of Arizona, & brings over 13 years of experience in advertising & marketing to chrisad. In his career, Geoff has been instrumental in driving the strategic direction of small & medium sized businesses. Geoff is a strong communicator & is passionate about assisting clients navigate & leverage their options in a way that fits their unique situation & goals. Accountable marketing tied to measurable results has been his driving force.

Lynn Bowe

Digital Brand Manager


Lynn graduated from L’Université de la Sorbonne and The British Institute in Paris, France. Her professional work experience includes operations management, sales, recruiting, product management and customer service. Since joining chrisad, she worked in the Client Services department before being promoted to Brand Manager. This extensive work history combined with her personable disposition and dedication to our clients makes her uniquely qualified to act as a trusted guide to help clients reach their goals.

Tyler Darke

Brand Manager


Tyler joined chrisad in 2015 after graduating from California State University, Monterey Bay, where he earned a Bachelor of Science degree in Business Administration with a concentration in Marketing. Tyler held many positions at chrisad before being promoted to Brand Manager, giving him a uniquely deep understanding of the growth opportunities & potential roadblocks facing our clients. He is passionate about being able to help dental practices succeed & reach their goal to grow to their full potential.

Jon D'Andre

Brand Manager


Jon has a degree in Marketing & Communication from San Francisco State University. In his time at chrisad, he has held every client support position, which has given him a well-rounded wealth of knowledge about client growth. His experience includes time as an Account Analyst, which has provided him with expertise in the statistical trends that contribute to practice success. He puts his broad experience & unique insights to work to make sure clients don’t miss a single opportunity for growth & prosperity.