FIND YOUR EXPERT

Robert B. Charlton, CPA
Partner
Location: Newton, NJ
Services: Accounting, Business Advisory, Individual & Business Tax Planning, Trust & Estate Planning
Industries: Family Owned Business, Small & Medium-sized Business
Contact: (973) 298-8500 • rcharlton@nisivoccia.com • LinkedIn
Bob is the partner representative at our Newton Nisivoccia office. With over 35 years of experience, Bob considers his practice as a “one-stop-shop” for all small business owners’ accounting and tax planning needs. He specializes in accounting and tax planning services for small/medium and family owned businesses, professional service groups, health care providers, manufacturing and construction contractors. His consulting expertise includes retirement plan analysis and broker/dealer auditing.
Bob holds the following degrees and licenses:
- B.S. in Business Administration major in Accounting, Old Dominion University in Norfolk, Virginia
- Certified Public Accountant License: New Jersey
Bob’s professional memberships include:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
- Nisivoccia Wealth Advisors LLC
- Series 7, Series 66 and Life and Health Insurance Licensed
Bob is also active in the community:
- Committee Chair, Sussex County Chamber of Commerce
- Treasurer, Christ Church in Newton
- Treasurer, 200 Club of Sussex County
Other past professional and community service includes:
- Awarded the “Mosaic Award” from Project Self-Sufficiency
- “2017 Volunteer Award” from the Sussex County Chamber of Commerce
- National Association of Certified Valuation Analysts
- AICPA Business Valuation and Forensic and Litigation Services Section
- NJSCPA Valuation & Litigation Services Resource Group
- BKR International Business Valuation/Forensic Accounting Committee
- Former Board Member and Treasurer, Karen Ann Quinlan Charitable Foundation
- Former Board Member, United Way of Sussex County
- Former Member, Board of Trustees and Chairman, Beautification Committee, Sussex County Chamber of Commerce
- Former Treasurer, Hampton Township Rotary Club, Hampton Township Rotary Club Endowment
- Former President, Vice-President, Secretary and Treasurer of the Newton Lions Club
- United Way Bike on Old Mine Road Subcommittee
- Member, S.B. Foundation, Inc. Golf Outing Committee
- Member, Sussex County Boy Scouts Distinguished Citizen Award Dinner Committee
Bob celebrates his 35th year of service with our firm in 2023.


Douglas S. Collins, CPA
Partner
Location: Mt. Arlington, NJ
Services: Accounting, Business Advisory, Individual & Business Tax Planning, International Tax, Trust & Estate Planning
Industries: Construction Contractors, Family Owned Business, Manufacturing, Real Estate, Small & Medium-sized Business
Contact: (973) 298-8500 • dcollins@nisivoccia.com • LinkedIn
Doug has over 30 years of experience helping his clients optimize their tax savings. Whether family-owned, private business or individual, Doug engages with his clients to develop tax planning strategies to attain their business or personal financial goals. In addition, Doug specializes in tax and audit services for real estate developers and investors, construction contractors and manufacturing entities. He is also expert in tax and consulting services for client shareholders, officers and other executives. Doug serves as the partner lead for the Nisivoccia Real Estate Group.
Doug holds the following degrees and licenses:
- B.S. in Accounting, Messiah College in Grantham, Pennsylvania
- Certified Public Accountant (CPA) License: New Jersey, Pennsylvania
Doug’s professional memberships include:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
Nisivoccia Wealth Advisors LLC
- Series 7, Series 66 and Life and Health Insurance Licensed
Doug is also active in the community:
- Advisory Board Member, Lakeland Bank
- Member of the Board of Directors of AHS Investment Corp., a subsidiary of Atlantic Health
- Member of the Board of Directors for the Deacon Family Foundation
Doug celebrates his 31st year of service with our firm in 2023.


Thomas R. Dartnell, CPA/PFS, PSA
Partner
Location: Mt. Arlington, NJ
Services: Accounting, Audit, Business Advisory, Individual & Business Tax Planning, Internal Controls Audit & Advisory, Trust & Estate Planning
Industries: Family Owned Business, Not-for-Profit Organizations, Small & Medium-sized Business
Contact: (973) 298-8500 • tdartnell@nisivoccia.com • LinkedIn
Tom has over 35 years of expertise in attestation engagements, which includes the audit of not-for-profit organizations and commercial enterprises. He also specializes in tax planning and preparation for clients operating in various industries which include not-for-profits, employee benefit plans, service businesses and professional practice entities.
As the champion partner of the firm’s wealth management practice, Thomas helps identify opportunities and assists clients in planning for their business, individual and family future wealth management goals.
Tom holds the following degrees and licenses:
- B.A. in Accounting, Moravian College Bethlehem, Pennsylvania
- Certified Public Accountant (CPA) License: New Jersey
- Public School Accountant (PSA) License: New Jersey
- Personal Financial Specialist (PFS) Credential: New Jersey
Tom’s professional memberships include:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
Nisivoccia Wealth Advisors LLC
- Series 7, Series 66 and Life and Health Insurance Licensed
Tom is also active in the community:
- Audit Committee Member, National Hemophilia Foundation
- Advisory Board Member, First Bank
Tom celebrates his 38th year of service with our firm in 2023.


Deirdre M. Hartmann, CPA
Partner
Location: Mt. Arlington, NJ
Services: Accounting, Audit, Business Advisory, Client CFO Services, Individual & Business Tax Planning, International Tax, Trust & Estate Planning
Industries: Family Owned Business, Healthcare, Small & Medium-sized Business
Contact: (973) 298-8500 • dhartmann@nisivoccia.com • LinkedIn
With over 25 years of industry experience, Deirdre specializes in personal and business income tax planning as well as foreign subsidiary corporations and not-for-profit organizations. She is also the leader of the healthcare advisory services and outsourced accounting services groups within the firm. Deirdre is a frequent lecturer, writer and advisor for small/medium businesses, chamber associations, and medical practices and facilities on a wide range of topics including tax policy, business process efficiencies and revenue cycle analysis.
Deirdre holds the following degrees and licenses:
- B.S. in Accounting, Montclair State University
- Certified Public Accountant (CPA) License: New Jersey
Deirdre’s professional memberships and affiliations:
- New Jersey Society of Certified Public Accountants (NJCPA)
- Medical Group Practice Management (MGMA)
- NJ Medical Group Management Association (NJMGMA)
- New Jersey Healthcare Financial Management Association (NJHFMA)
- Small Business Council of America (SBCA)
Nisivoccia Wealth Advisors LLC:
- Series 7, Series 66, and Life and Health Insurance Licensed
Honors and awards presented to Deirdre:
- 2019 NJCPA Ovation Award Winner, Women to Watch Category
Deirdre has authored and been featured in articles on an array of tax and medical practice management issues:
- “The Learning Curve for Advisory” – NJCPA
- “Private Equity Knocking? What to know before you let them in” – In-Network Healthcare Industry News from Investors Bank
- “New Jersey Telemedicine Providers: Do You Know the ‘Ins and Outs’ of the New Law?” – Nisivoccia LLP Blog
- “Healthcare Fraud and the CPA” – New Jersey Business Magazine
Deirdre’s speaking engagements:
- “Financial Dashboards”, 2011 NJMGMA Tune up Your Practice for Healthcare Reform Conference
- “EHR Meaningful Use”, the New Jersey Society of CPAs Healthcare Conference.
- Northwest Healthcare Experts local events for physicians and practice managers on hot topics affecting their practices
Deirdre is also active in the community:
- Former Board Member, Prevent Child Abuse of New Jersey
- Volunteer, CF Foundation for SIDS
- Volunteer, Habitat for Humanity
- Volunteer, Community Soup Kitchen of Morristown
- Volunteer, Holiday Help for the Needy
- Board Member, Morris County College Advisory Board
- Board Member, Small Business Council of America
Deirdre celebrates her 17th year of service with our firm in 2023.


Dominick J. (Nick) Sarinelli, CPA, CFE
Partner
Location: Mt. Arlington, NJ
Services: Accounting, Audit, Business Advisory, Forensic Accounting, Individual & Business Tax Planning, Trust & Estate Planning
Industries: Construction Contractors, Family Owned Business, Manufacturing, Real Estate, Small & Medium-sized Business
Contact: (973) 298-8500 • dsarinelli@nisivoccia.com • LinkedIn
With over 30 years of service with Nisivoccia LLP, Nick specializes in the areas of tax, accounting, audit and consulting services. His clients include construction contractors, medical service organizations, manufacturing, condominium and other realty associations, professional services organizations as well as other small businesses in varying segments. Nick also has expertise in litigation support and guardianship accounting services.
Nick is a member of the Metropolitan Builders Association of NJ (METRO) where he contributes to their monthly newsletter. He is also a member of the Construction Financial Management Association (CMFA).
Nick holds the following degrees, certifications and licenses:
- B.S. in Accounting, Rutgers University
- Certified Public Accountant (CPA) License: New Jersey
- Certified Fraud Examiner (CFE)
Nick’s professional memberships include:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
- Association of Certified Fraud Examiners (ACFE)
Nisivoccia Wealth Advisors LLC
- Series 7, Series 66 and Life and Health Insurance Licensed
Nick is also active in the community:
- Past Treasurer, Court Appointed Special Advocates (CASA) of Morris and Sussex Counties, Inc.
- Former Treasurer, Mount Olive Area Chamber of Commerce
- Member and Former Treasurer, Roxbury Rotary Club
- Volunteer coach, Roxbury Soccer Club
Honors and awards presented to Nick:
- Honored by the Metropolitan Builders & Contractors Association (METRO) as the 2018 Associate of the Year
- Recognized as a Paul Harris Fellow by the Rotary Foundation
Nick celebrates his 34th year of service with our firm in 2023.


Glenn Schwier, CPA, J.D.
Partner
Location: Mt. Arlington, NJ
Services: Accounting, Business Advisory, Individual & Business Tax Planning, International Tax, IRS Representation, Trust & Estate Planning
Contact: (973) 298-8500 • gschwier@nisivoccia.com • LinkedIn
Glenn specializes in personal tax matters including estate, trusts, individual income tax, expatriates, and foreign asset reporting. He also oversees our international business tax practice. Glenn is a member of the bar in New Jersey and New York State. Glenn is a frequent lecturer and advisor for business organizations and professional services firms on a wide range of tax planning topics including The Tax Cuts and Jobs Act law, business efficiency and tax planning. He also hosts tax planning seminars for practicing attorneys.
Glenn holds the following degrees and licenses:
- Bachelor of Science in Accounting, Rutgers University
- Juris Doctor (JD) Degree, Seton Hall University
- Certified Public Accountant (CPA) License: New Jersey
Glenn’s professional memberships and affiliations:
- New Jersey Society of Certified Public Accountants (NJCPA)
- BKR International Tax Practice Group
Nisivoccia Wealth Advisors LLC
- Series 7, Series 66 and Life and Health Insurance Licensed
Glenn celebrates his 14th year of service with our firm in 2023.
