FIND YOUR EXPERT
Douglas S. Collins, CPA
Partner
Services: Accounting, Business Advisory, Individual & Business Tax Planning, Tax Services
Industries: Construction Contractors and Services, Family Owned Business, Manufacturing, Private Equity, Real Estate, Small & Medium-Sized Business
Contact: (973) 298-8500 • dcollins@nisivoccia.com • LinkedIn
Doug works closely with business owners, executives, and high-net-worth individuals to develop thoughtful tax planning strategies that support long-term business and personal financial goals. Known for his collaborative and practical approach, Doug helps clients optimize tax efficiency while navigating complex regulatory and financial considerations.
Doug specializes in tax, audit, and advisory services for real estate developers and investors, private equity firms, professional service firms, construction contractors, and manufacturing entities. He also has extensive experience advising shareholders, officers, and other senior executives on tax planning and wealth-related matters. Doug serves as the Partner Lead for Nisivoccia’s Real Estate and Tax Group.
Areas of Focus:
- Tax planning and compliance for closely held businesses and individuals
- Real estate development and investment
- Private equity and professional services firms
- Construction and manufacturing industries
- Executive and shareholder advisory services
Education & Licensure:
- B.S. in Accounting, Messiah College in Grantham, Pennsylvania
- Certified Public Accountant (CPA) License: New Jersey
Professional Memberships & Affiliations:
- 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
Community & Professional Involvement:
- Member of the Advisory Board, Newton Medical Center
- 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
- Former Advisory Board Member, Lakeland Bank
Doug celebrates his 34th year of service with our firm in 2026.
Victoria Kosuda, CPA
Partner
Services: Accounting, Client CFO Services
Industries: Healthcare, Not-for-Profit Organizations, Private Equity, Real Estate, Small & Medium-Sized Business
Contact: (973) 298-8500 • marketing@nisivoccia.com
Victoria leads Nisivoccia’s Client Advisory Services (CAS) practice, where she partners closely with clients to deliver outsourced accounting, CFO-level support, and strategic financial advisory services. With deep experience in client accounting services and cloud-based accounting solutions, she helps organizations move beyond historical reporting to gain timely financial insight, improve decision-making, and support sustainable growth.
Under Victoria’s leadership, the CAS practice serves clients in healthcare, not-for-profit, real estate, private equity, and professional services. She takes a hands-on, relationship-driven approach, working as an extension of each client’s internal finance function to ensure financial reporting, forecasting, and advisory support deliver meaningful, measurable value.
Victoria is also a member of the firm’s Technology Committee, where she applies her financial technology expertise to help guide Nisivoccia’s adoption of AI, automation, and advanced data analytics. Her focus is on enhancing client insight, streamlining processes, and strengthening the firm’s proactive, advisory-driven service model. She was also recently appointed Co-Chair for the CAS Practice Group at BKR International, where she leads monthly meetings and helps BKR organize workshops and educational sessions for CAS leaders.
Prior to joining Nisivoccia, Victoria owned and operated her own firm, providing client accounting, cloud-based technology solutions, and outsourced CFO services. This experience continues to inform her practical, technology-enabled approach to CAS and advisory engagements today.
Areas of Focus:
- Client Accounting Services (CAS)
- Financial dashboards and management reporting
- Budgeting, forecasting, and variance analysis
- Cash flow management
- Cloud accounting and CFO advisory services
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)
- American Institute of Certified Public Accountants (AICPA)
- BKR International CAS Practice Group Co-Chair
Recent Speaking Engagements:
- “Strengthen Your Nonprofit’s Financial and Reporting Systems” at Nisivoccia’s Annual Nonprofit Seminar (2025)
- NJBIA “Minding Your Business”, AI’s role in Accounting Services. NJBIA AI
- Beyond Business Basics, Roxbury Public Library
Victoria celebrates her 4th year of service with our firm in 2026.
Christopher Perrotta, CPA
Partner
Services: Accounting, Audit, Business Advisory, Client CFO Services, Individual & Business Tax Planning, Internal Controls Audit & Advisory
Industries: Manufacturing, Not-for-Profit Organizations, Real Estate, Small & Medium-Sized Business
Contact: (973) 298-8500 • cperrotta@nisivoccia.com • LinkedIn
Christopher Perrotta, CPA, is a Partner with the firm, providing audit, tax, and advisory services to privately held businesses and tax-exempt organizations. He works closely with clients to deliver practical, technically sound solutions that support operational efficiency, regulatory compliance, and long-term strategic objectives.
Christopher’s areas of specialization include real estate entities, manufacturing companies, New Jersey Approved Private Schools for Students with Disabilities (APSSDs), and nonprofit organizations. He has extensive experience serving real estate owners, developers, and management companies, advising on complex tax structures, partnership allocations, and transaction planning. He also works with manufacturing businesses on financial reporting, operational efficiencies, and tax planning strategies designed to enhance profitability and scalability.
Within the education and nonprofit sector, Christopher provides audit and assurance services to New Jersey APSSDs, with experience addressing Department of Education reporting requirements, tuition rate calculations, general administrative code and governance matters. He assists school leadership in navigating regulatory frameworks while strengthening financial reporting processes and operational transparency.
In addition to compliance services, Christopher partners with clients on proactive planning initiatives, including tax strategy, entity structuring, cash flow analysis, and financial reporting enhancements. He is committed to delivering responsive service and building long-term relationships grounded in trust and technical excellence.
Christopher is a Certified Public Accountant and remains actively engaged in staying current with evolving tax law, accounting standards, and industry developments impacting his clients
Areas of Focus:
- Accounting, audit, tax and advisory services
- Real estate, construction and automotive dealerships
- Manufacturers
- APSSD audits, consulting and compliance
- Not-for-profit organizations
- Regulatory and Department of Education matters
Education & Licensure:
- B.S. in Accounting, William Paterson University
- Certified Public Accountant (CPA) License: New Jersey
- Public School Accountant (PSA) License: New Jersey
Professional Membership & Affiliations:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
- NJASEPS, New Jersey Association for Special Education Partner Schools
- Real Estate Advisor, National Editorial Board Member, Thomas Reuters Publications
Community & Professional Involvement:
- Vernon Township Little League Coach
Recent Speaking Engagements:
- “7 Common Non-Allowable Costs for APSSDs” at the 2019 Annual ASAH Symposium
- “The Implementation of NJAC 6A:23A-18 One Year Later” Leadership Panel at the 2019 Annual ASAH Symposium
- Host of the Annual Nisivoccia LLP Not-for-Profit Seminar (2016, 2017, 2018)
Chris celebrates his 18th year of service with our firm in 2026.
Dominick J. (Nick) Sarinelli, CPA, CFE
Managing Partner
Services: Accounting, Business Advisory, Individual & Business Tax Planning, Tax Services
Industries: Construction Contractors and Services, Family Owned Business, Manufacturing, Real Estate, Small & Medium-Sized Business
Contact: (973) 298-8500 • dsarinelli@nisivoccia.com • LinkedIn
Nick brings nearly four decades of experience at Nisivoccia, a New Jersey CPA firm, and has served as the firm’s Managing Partner since January 1, 2026. He provides tax, accounting, and consulting services to a broad range of clients and works closely with business owners and management teams to address complex financial, compliance, and operational matters.
Nick serves clients across a wide range of industries, including technology, construction, medical services, manufacturing, professional services, and other closely held businesses. In addition to his technical expertise, he offers practical, experience-driven guidance and is valued for his deep institutional knowledge and long-standing client relationships. Nick also brings fraud-related expertise to his work as a Certified Fraud Examiner (CFE), supporting clients with risk awareness and internal control considerations.
Areas of Focus:
- Tax planning and compliance
- Business consulting and advisory services
- Construction and contracting
- Technology, medical services, manufacturing, and professional services organizations
- Fraud awareness and internal control considerations
Education & Licensure:
- B.S. in Accounting, Rutgers University
- Certified Public Accountant (CPA) License: New Jersey
- Certified Fraud Examiner (CFE)
Professional Memberships & Affiliations:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
- Association of Certified Fraud Examiners (ACFE)
Community & Professional Involvement:
- Treasurer, 200 Club of Morris County
- Former 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
Nisivoccia Wealth Advisors LLC:
- Series 7, Series 66 and Life and Health Insurance Licensed
Honors & Recognition:
- 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 37th year of service with our firm in 2026.
David Benson, CPA
Principal
Services: Accounting, Business Advisory, Individual & Business Tax Planning, Tax Services
Industries: Construction Contractors and Services, Real Estate, Small & Medium-Sized Business
Contact: (973) 298-8500 • marketing@nisivoccia.com
David joined Nisivoccia bringing more than 14 years of prior tax management experience. He provides tax planning and compliance services to clients in the real estate industry, self-employed business owners, and high-net-worth individuals, helping them navigate complex tax matters and make informed financial decisions.
David is valued for his practical approach and strong understanding of tax strategies affecting closely held businesses and individuals.
Areas of Focus:
- Tax planning and compliance
- Real estate tax services
- Self-employed and closely held businesses
- High-net-worth individuals
Education & Licensure:
- B.S. in Accounting
- M.S. in Taxation, Northeastern University
- Certified Public Accountant (CPA) License: New Jersey
Professional Memberships & Affiliations:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
Community & Professional Involvement:
- Volunteer for Morris Habitat for Humanity
David celebrates his 7th year of service with the firm in 2026.
Katie Ross, CPA
Principal
Services: Individual & Business Tax Planning, IRS Representation, Tax Services
Industries: Construction Contractors and Services, Family Owned Business, Manufacturing, Private Equity, Real Estate, Small & Medium-Sized Business
Contact: (973) 298-8500 • marketing@nisivoccia.com
Katie is a key member of Nisivoccia’s Tax Department, providing tailored tax planning and compliance services to closely held businesses and individuals. She works closely with clients to streamline internal accounting processes, reduce compliance complexity, and support sustainable growth.
With prior public accounting experience before joining Nisivoccia, Katie brings a practical, client-focused approach to tax advisory services and is particularly committed to supporting local businesses.
Areas of Focus:
- Tax planning and compliance
- Closely held and local businesses
- Process improvement and accounting coordination
- Client-focused tax advisory services
Education & Licensure:
- B.S. in Accounting, Ramapo College of New Jersey
- Certified Public Accountant (CPA) License: New Jersey
Professional Memberships & Affiliations:
- American Institute of Certified Public Accountants (AICPA)
- New Jersey Society of Certified Public Accountants (NJCPA)
Katie will celebrate her 7th year of service with the firm in 2026.