Leadership Team
Ern Blackwelder
Chief Executive Officer
Prior to joining Onsite Dental in 2008, Ern served in several senior executive roles, including as CEO of Onsite Health, a leading provider of dental and medical readiness services for the U.S. Army National Guard; Division President of Vivra Specialty Partners, a healthcare services firm that managed physician practices and contracting networks in several medical and surgical specialties; COO of Ars Digita, a venture-backed, open source enterprise software firm; and Senior VP at Business Executives for National Security (BENS), where he was responsible for pioneering partnerships after 9/11 that mobilized businesses with federal, state and local governments to help prevent and respond to catastrophic events. Ern started his career as a consultant at Bain & Company, an international strategy consulting firm.
Ern holds a BS from UC Berkeley and an MBA from the Harvard Business School. He has served on several non-profit boards, including currently with Healthy Smiles for Kids of Orange County; and he is co-founder of Compass, a leading MBA alumni volunteer organization serving nonprofits in the Washington, DC, Chicago and Philadelphia areas.
-
Ern Blackwelder
Chief Executive Officer
Johanna J. Tesoniero, DDS, MAGD, MBA
Chief Dental Officer
Dr. Tes, as she is affectionately called, joined Onsite Dental in 2018 with a wealth of clinical and professional leadership experience, including roles as Clinical Director of Operations and Quality Assurance and Visiting Faculty at the prestigious Scottsdale Center for Dentistry's Spear Education. With a strong focus on workplace ethics, quality and customer satisfaction, Dr. Tes' skills include clinical mentoring, management, team building and strategic growth. She is an active member of the AGD, ADA, HDA and AZDA, and she has volunteered her time as a Board member for the Arizona Chapter of the Academy of General Dentistry, an Ambassador for Open Wide Foundation and most recently, with World of Smiles Foundation and in local animal shelters.
Dr. Tes graduated from New York University College of Dentistry and completed a general practice residency at Bronx Lebanon Albert Einstein. She earned Mastership through the Academy of General Dentistry and holds an Executive MBA from Washington State University.
-
Johanna J. Tesoniero, DDS, MAGD, MBA
Chief Dental Officer
Chuck Campbell
Chief Business Development Officer
Prior to joining Onsite Dental in 2013, Chuck has worked in the Wellness and Human Capital Industry for 18 years. He was President and Co-Founder of TPA, a pioneer drug testing company that provided the first multi-lab paperless solution along with complete management of regulated tests and physical exams. Chuck later spent 12 years in the employment screening industry rising to Senior VP of Sales and Business Development for ChoicePoint ($280M revenue, 100+ sales reps). In these roles he helped create innovative products and services based on the needs of large employers and wellness industry trends.
Chuck has been a regular speaker at numerous national conferences and serves on several nonprofit boards in the healthcare sector.
-
Chuck Campbell
Chief Business Development Officer
Daniel Norton
Chief Operating Officer
Prior to joining Onsite Dental in 2018, Dan served as the operational leader for various small and mid-sized dental services organizations (DSO's) across the country, including Sage Dental, Abundant Dental and Interdent. With each of these companies, Dan held various roles including COO, VP of Operations, Director of Revenue Cycle Operations, Director of Operations, and Regional Manager. Dan’s operational knowledge coupled with his financial background make him an effective leader. Prior to jumping into the dental field, Dan spent 5 years with Ernst & Young LLP as a healthcare consultant and public accountant helping some of the nation’s best and largest healthcare systems solve their operational and financial challenges.
Dan is a licensed certified public accountant in Oregon and received his BS in Accounting from Portland State University and MBA in Healthcare Management from Oregon Health & Sciences University. Dan is also Lean Six Sigma certified.
-
Daniel Norton
Chief Operating Officer
David Joe
Chief Financial Officer
Prior to joining Onsite Dental in 2015, David served for 13 years as the CFO of Western Dental Services, one of the largest dental support organizations in the country with over 200 locations. David was responsible for executive management of Western's finance, accounting, revenue cycle, information technology, regulatory compliance, procurement, and internal audit operations; and also for contributing to strategic planning for the Board and investors. Prior to joining Western Dental Services, David was with Arthur Andersen LLP serving in the audit advisory division for 5 years.
David is a licensed certified public accountant (inactive) in California and received his BS in Accounting from California Polytechnic Pomona University. David also serves as an advisory board member for a non-profit organization that provides year round sports program for the youth in the San Gabriel Valley.
-
David Joe
Chief Financial Officer
Stephanie Greenlee
Chief People Officer
Stephanie recognizes the importance of empowering and creating dynamic, cohesive teams to meet company objectives and initiatives. Prior to joining Onsite Dental in 2016, Stephanie worked with some of the largest DSO's in the industry in a wide range of capacities. In fact, she has been identifying and attracting top industry talent, and further developing that talent within a given organization, for more than thirty years. She draws from this extensive knowledge and experience to create learning and development programs and leadership programs. She also has a successful track record in the monumental task of creating company culture and leading cultural shifts throughout a multi-site organization.
Stephanie attended Cal State Fullerton where she studied Business Administration and prides herself on being a life-long learner that has received training from some of the top management leadership programs in the country.
-
Stephanie Greenlee
Chief People Officer
About Onsite Dental
Our mission is to make our patients healthier and happier, and to make high-quality dental care more accessible. Healthy, Happy, Here. That’s who we are at Onsite Dental.