FIND YOUR EXPERT

Deirdre M. Hartmann, CPA
Partner
Services: Accounting, Business Advisory, Client CFO Services, Individual & Business Tax Planning, International Tax, Tax Services
Industries: Family Owned Business, Healthcare, Private Equity, Small & Medium-Sized Business
Contact: (973) 298-8500 • dhartmann@nisivoccia.com • LinkedIn

With more than 25 years of experience, Deirdre specializes in personal and business income tax planning, advisory services, and complex entity structures, including foreign subsidiary corporations. She leads Nisivoccia’s Healthcare Group, advising medical, dental, and healthcare organizations across New Jersey on tax planning, operational efficiency, and long-term growth strategies.

Deirdre was instrumental in establishing the firm’s Client Advisory Services (CAS) Practice and continues to lead the team today, helping clients improve financial visibility, streamline processes, and strengthen decision-making.

A frequent lecturer, writer, and advisor, Deirdre regularly shares insights with businesses, professional and industry audiences on tax policy, healthcare finance, business advisory and operational efficiency topics, and revenue cycle analysis with small and mid-sized businesses, industry associations, and healthcare organizations.

Areas of Focus:

• Healthcare, medical, and dental practice advisory
• Business income tax planning
• Client & Accounting Outsourced Services
• Business process optimization and revenue cycle analysis
• Complex entity and subsidiary structures

Education & Licensure:

• B.S. in Accounting, Montclair State University
• Certified Public Accountant (CPA) License: New Jersey

Professional Memberships & Affiliations:

• New Jersey Society of Certified Public Accountants (NJCPA)
• Healthcare Leaders Association of New Jersey (HLA – NJ)
• New Jersey Healthcare Financial Management Association (NJHFMA)
• Small Business Council of America (SBCA)

Community & Professional Involvement:

• Advisory Board Member, County College of Morris Business Program
• Board Member, Small Business Council of America
• Former Board Member, Prevent Child Abuse of New Jersey
• Volunteer, CF Foundation for SIDS
• Volunteer, Habitat for Humanity
• Volunteer, nourish.NJ
• Volunteer, Holiday Help for the Needy

Nisivoccia Wealth Advisors LLC:

• Series 7, Series 66, and Life and Health Insurance Licensed

Honors & Recognition:

• 2019 NJCPA Ovation Award Winner, Women to Watch Category
• 2026 NJBIZ Leading Women in Business Award

Thought Leadership & Publications:

• “Tips, Overtime & Compliance: What HR and Finance Leaders Need to Know About the ‘One Big Beautiful Bill’ – EANJ
• “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 will celebrate her 20th year of service with our firm in 2026.

Glenn Schwier, CPA, J.D.
Partner
Services: Accounting, Business Advisory, Individual & Business Tax Planning, International Tax, IRS Representation, Tax Services
Industries: Small & Medium-Sized Business
Contact: (973) 298-8500 • gschwier@nisivoccia.com • LinkedIn

Glenn specializes in complex personal and business tax matters, including estate and trust taxation, individual income tax planning, expatriate taxation, and foreign asset reporting. He oversees Nisivoccia’s international business tax practice and advises clients on cross-border tax considerations and compliance requirements.

Glenn is admitted to practice law in New Jersey and New York and is widely recognized for his ability to translate complex tax legislation into practical guidance. He is a frequent lecturer and advisor to business organizations and professional services firms on tax planning topics, including the Tax Cuts and Jobs Act, business efficiency strategies, and evolving tax policy. Glenn also hosts tax planning seminars for practicing attorneys.

Areas of Focus:

• Individual, estate and trust taxation
• Expatriate taxation and foreign asset reporting
• International business tax planning and compliance
• Cross-border tax considerations
• Legislative and regulatory tax guidance

Education & Licensure:

• B.S. in Accounting, Rutgers University
• Juris Doctor (JD) Degree, Seton Hall University
• Certified Public Accountant (CPA) License: New Jersey

Professional Memberships & 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 17th year of service with our firm in 2026.