About Our Authors

What If One ExpertWhat if…. 

Our authors are experts in their field and The Expert Series for Dentists™ publications and our line of Special Reports™ are offered to provide concise expert level information by well-qualified professionals. Through our 24/7 downloadable resources we help dentists and dental specialists meet practice change successfully. Please, meet our Authors:

Elizabeth Barrett, BA

Author-Beth_BarrettBeth Barrett is the Executive Director for the orthodontic practice of David R. Musich, D. D. S. & Matthew J. Busch, D.D.S., Ltd., located in Schaumburg, IL. She has 35 years of orthodontic practice management experience, with extensive experience in case presentation, staff acquisition, training/coaching, strategic planning, project management, practice marketing and effective communication techniques. She has worked with Dr. Musich from the start-up of his practice through practice transition to partnership. Through her experience she designed and implemented systems of operation for the practice including the Orthodontic Fee Calculation Method currently in use. Beth has made presentations to the AAO, CDABO, the Angle Society of Orthodontists, the American Association of Oral & Maxillofacial Surgeons and as a private consultant. She has, additionally, contributed to the AAO’s Orthodontist as CEO™ program development and the AAO Voluntary Certification Program for staff. Her strong commitment to the specialty of orthodontics combined with a background in education have resulted in a variety of innovative contributions to enhanced practice management and patient communication protocols.


Randall K. Berning, JD, LLM

Author-Randall_BerningRandall Berning is a health care attorney, consultant and President of Berning Affiliates, Inc. He has provided dentists and dental specialists with publications and specific practice plans to implement vision, practice growth, profitability and practice transition for more than 30 years. Mr. Berning is the co-author of two ADA publications Associateships and Valuing A Practice, the co-author of AAO materials on valuation and practice financing and the Editor and Publisher of The Smart Doctor CEO Newsletter and The Expert Series for Dentists. A frequent speaker, he has presented at numerous Annual Sessions. He is past Adjunct Professor of Dental Jurisprudence and Director of Practice Administration at the University of Illinois, College of Dentistry and adjunct faculty at UCSF School of Dentistry and the University of Maryland Baltimore College of Dental Surgery. Prior to entering private practice Mr. Berning served as an Assistant Attorney General for the State of Illinois.

Larry R. Domer, MBA, DBA, AVA

Author-Larry_DomerDr. Domer received his MBA from the University of Wisconsin and DBA from the University of Kentucky and his practice valuation certification (AVA – accredited valuation analyst) from the National Association of Certified Valuation Analysts.  Dr. Domer served as Professor of Practice Administration and past Associate Dean at the University of Colorado School of Dentistry.  He has been involved in dental practice teaching and research for over 35 years at three different dental schools.  During that time, Dr. Domer presented numerous continuing education courses dealing with a broad range of practice management topics.  He has published numerous articles and six previous books relating to dental practice management.  Dr. Domer was selected by the American Dental Association to co-author the revisions of two ADA publications: Associateships: A Guide for Owners and Prospective Associates (1988, 1992, 1997, 2001 & 2005) and Valuing a Practice: A Guide for Dentists (1989, 1992, 1997, 2001 & 2005). He was also co-author of American Association of Orthodontists’ Guide to Orthodontic Practice Valuation and Guide to Financing the Orthodontic Practice. Dr. Domer has also consulted with hundreds of new and established practitioners concerning associateship arrangements, practice valuation and the sale or purchase of dental practices.

William P. Prescott, MBA, JD

Mr. Prescott is a shareholder in the Ohio law firm of Wickens, Author-Bill_PrescottHerzer, Panza, Cook & Batista. He represents and consults dentists, dental specialists in the areas of practice sales and acquisitions, succession planning, valuations of solo and group practices, associate buy-ins, owner buy-outs, group practice operations, entity selection, fringe benefit and retirement plan design. Mr. Prescott is frequent author for publications on dental practice transitions, business and tax planning. Bill knows dentistry. Prior to practicing law he worked for 16 years as a dental equipment regional representative and General Manager of Saslow Dental Company. Martindale-Hubbell has awarded Mr. Prescott an AV rating for preeminent legal ability and having the highest ethical standards. He is a Fellow, American College of Tax Counsel; has served as Chair of the ABA Closely Held Businesses Committee, Vice-Chair of the ABA Professional Practices; Chair ABA Subcommittee for Doctors, Lawyers and Other Professionals, and currently serves on the ALI/ABA Editorial Board for The Practical Tax Lawyer. http://www.PrescottDentalLaw.com


Alvin H. Danenberg, DDS, CFP

Dr. Danenberg retired as a Certified Financial Planner™ professional in 2011. He currently practices periodontics part-time. He has written four books regarding money and business management as well as many articles on financial matters for such publications as Dentistry Today, Dental Economics, Dentists’ Money Digest, Compendium, The Personal Report, and Worth Magazine.  From 1996 through 2005, Dr. Danenberg taught the Investment Planning module at the College of Charleston for students enrolled to become Certified Financial Planner™ professionals.


Joseph P. Graskemper, DDS, JD, DABMM

Author-Joe_GraskemperDr. Graskemper is in private dental practice in Bellport, New York and is an Associate Clinical Professor for the State University of New York at Stony Brook, School of Dental Medicine, where he was Past Director of Professional Responsibility. He is a Diplomate of the American Board of Medical Malpractice, and a Fellow of the American Society of Osseointegration, a Fellow of the International Congress of Implantologists, a Fellow of the Academy of General Dentistry, a Fellow of the American Endodontic Society, and a Fellow in the AmericanCollege of Legal Medicine.  He has been an expert witness in numerous court trials and a consultant to fellow dentists and State Dental Boards regarding issues of risk management. His articles have appeared JADA, Dentistry Today, The Compendium, and The Journal of the AmericanCollege of Dentists.  He has lectured nationally and internationally on Professional Responsibility.   He is the author of the book, “Professional Responsibility in Dentistry: A Practical Guide to Law and Ethics.”

Joel M. Greenberg, MPA, JD

Author-Joel_GreenbergJoel M. Greenberg is a Partner at the Greenberg, Dresevic, Hinrichsen, Iwrey, Kalmowitz, Lebow, & Pendleton Law Group, a firm in the Greater New York City area and specializes in health law. Mr. Greenberg has decades of experience helping physicians, medical groups, dentists, and other health care providers deal with a host of business and legal issues that confront them in their professional lives. He has developed a solid reputation among private practitioners as a well-respected, knowledgeable attorney and a creative problem-solver. He is a frequent speaker and recently co-edited “The Legal Manual for New York Physicians”, a joint publication of the New York State Bar Association and the Medical Society of the State of New York. Mr.Greenberg is an Adjunct Professor of Health Law at the State University of New York’s College at Old Westbury. http://www.thehealthlawpartners.com/lawyer-attorney-1873880.html


James A. Haverkamp, JD, LLM

James Haverkamp is an attorney practicing in Oakland, CA. His emphasizes tax, estate planning and business planning for dental and medical professionals. Since 1984 he has represented numerous dentists in buying and selling practices, and he has extensive experience in drafting and negotiating purchase and sale agreements.   He is admitted to practice before the United States Tax Court. Mr. Haverkamp received his law degree from Hastings College of Law and his Masters of Law (LL.M.) in taxation from Golden Gate University.  Prior to entering the field of law, he was awarded a Rockefeller Fellowship to attend seminary, and earned a Masters of Divinity degree from Pacific School of Religion


Robert Roller

Mr. Roller is a business and Internet consultant with over 40 yBob Roller Final-3ears of experience in sales, marketing, marketing communications and business operations. He held various senior management positions throughout his long career with Digital Equipment Corporation before becoming a founder and director of Quantic Commuications, the then largest marketing communications company in New England. He retired to Naples, Florida in 1994 and stayed active in business by founding, growing and selling two successful small businesses. He continues to be active in the community and business activities through his consulting work.



Roger G. Sanger, DDS, MS

Author-Roger_SangerDr. Sanger, is a founder of a multimillion dollar, multi-office, multi-doctor (pediatric dentists and general dentists for children) dental group serving infants, children and teenagers in the six county region of the central coast of California. In its 25th year, the group provides comprehensive dental care to all socioeconomic categories of patients funded with governmental programs, insurance industry programs, and private parent funding with a unique medical model delivery system. Incorporated into this group practice is in-office surgicenters, off site hospital based operating suites, and off site orthodontic alliances. With a staff of over ten doctors and 150 employees, the group is modeled more after a large business and incorporates modern management techniques to sustain high profitability. After graduating from the USC with a D.D.S., Dr. Sanger received a Certificate in Pediatric Dentistry and a M.S. degree in health care education and business. After that, he had a career in academic health care at both U.S.C. Children’s Hospital of Los Angeles and the University of Colorado Medical Center where he held numerous teaching and administrative positions and authored numerous clinical textbooks, textbook chapters, and journal articles. Dr. Sanger has been a consultant to many national practice management companies including Quest and Dentist Development Seminars as well as being a Contributing Editor for Dentistry Today. In 1985 he formed The Sanger Group with his wife, Kathy, a practicing dental hygienist, and together they produced nine practice management workbooks and related seminars on Marketing, Selling, Scheduling, Production, Collection, Insurance, Dental Hygiene, Team Building, and Profitability. Dr. Sanger has also served in various positions in organized dental societies and worked extensively with non-profit foundations.

Allen M. Schiff, CPA, CFE

Author-Allen SchiffMr. Schiff is the Managing Member of Schiff & Associates, LLC (S&A). Allen has over 35 years of experience in the areas of dental practice management.  His services include business planning including: obtaining financing, succession planning, exit strategies and long-range planning. Allen has assisted dentists with practice acquisitions, start-ups, operational analysis and associate contract analysis. He is an accomplished speaker on topics such as dental practice management, transition planning, choosing a Dental CPA, obtaining financing, identifying embezzlement in the workplace and business start-ups. He has presented to the ADA, the AGD, AAPD, local Mid Atlantic Societies, as well as various Dental Study Clubs.  For the last 26 Years, Allen has taught at a local Dental School as well as five other national Dental Schools on the subject of Dental Practice Management. Allen is a contributing author to Dental Economics,   As a Certified Fraud Examiner (CFE), he has the expertise to resolve allegations of fraud, obtain evidence, take statements, write reports, testify to findings and assist in the detection and prevention of fraud and white-collar crime. Allen is rated as one of the Top CPA’s in the State of Maryland. He is also a founding member of the Academy of Dental CPAs (www.adcpa.org) and currently serves on the ADCPA Executive Committee.  http://schiffcpa.com/

Dennis Spaeth, BA

Author-Dennis_SpaethMr. Spaeth earned a bachelor’s degree in journalism from Northern Illinois University, Dekalb, IL in 1982. In addition to nearly a decade spent reporting for daily newspapers, he served as a senior editor and later assistant editor for the American Dental Association News from 1988 through 1996. Given his interest in the Internet, he then initiated the Website for the ADA’s publishing division and served as its Electronic Media Editor from 1996 through 1999. He left the ADA to build up and commercialize the Website for Dental Products Report, Dental Practice Report and Dental Lab Products, which he managed as Publisher until 2007. Though Mr. Spaeth left dentistry that year to build up and commercialize the Websites for two manufacturing trade magazines, he has maintained a passion for helping dental professionals navigate an increasingly electronic world of media communication


Kathy J. Tayon, Esq.

Author-Kathy TayonKathy J. Tayon (Tayon Law PA) is a Florida Bar Board Certified Health Care Lawyer with over 20 years of experience representing health care businesses and providers in their transactions and regulatory and operational matters. Ms. Tayon represents health care businesses and providers in buying and selling businesses, mergers and joint ventures. Ms. Tayon also prepares, reviews and advises clients on business contracts. Additionally, Ms. Tayon advises clients in all aspects of federal and State of Florida health care regulatory matters, including anti-kickback, self referral laws, patient brokering laws, HIPAA and HITECH. Formerly with Fowler White Boggs. http://www.TayonLaw.com/