Meet The Team


Thomas J. Williams, CPA – Partner

With more than 30 years of public accounting experience, Tom provides a diversified clientele of business owners and individuals located in the four-state region with accounting, tax, and advisory services. His clients include various sales- and service-oriented businesses, restaurants, law firms, architects, contractors, technology companies, manufacturing companies, and retail establishments, as well as high net worth individuals. In addition to a strong background in individual and business taxation, Tom also has extensive experience in estate, trust, and non-profit tax matters.
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Timothy D. Humphreys, CPA – Partner

Tim is a principal and founder of Williams Humphreys & Company (WHC), Delaware Avenue Wealth Planners (DWP), and Results-Oriented Individuals (ROI). With more than 25 years of executive-level financial services and business consulting experience, Tim leads the strategic direction and business development activities of WHC, DWP, and ROI.
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Robert R. Houck, CPA, MST – Partner

Rob has been practicing in the field of public accounting since 2003. In that time, he has developed an extensive background in tax, business, accounting, and financial planning for corporations, partnerships, and individuals. Rob has substantial experience working with individuals and closely held businesses in a wide range of industries providing tax, accounting, consulting, and financial planning services.
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Brent R. Bonstingl – Associate

Brent brings a great deal of investment operations, financial modeling, and performance analytics experience to Delaware Avenue Wealth Planners. Coming to DWP from a family financial planning environment, Brent works closely with individuals, families, and closely held businesses to develop personalized financial plans and wealth management strategies.
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Rosemary Carey – Bookkeeper

Rosemary brings nearly 25 years of bookkeeping, payroll, and accounting experience to Williams Humphreys & Company. Working with clients in WHC’s Business Builders for Entrepreneurs (BBE) division, Rosemary provides proven expertise in various financial disciplines.
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Jennifer Girouard – Associate

With more than ten years of hands-on office management experience in fast-paced CPA firms, Jennifer is a knowledgeable resource for Williams Humphreys & Company and our clients. Her in-depth knowledge of the financial, tax, bookkeeping, and administrative tasks associated with successful businesses enables her to assist clients with their unique business needs.
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Kathryn A. Jackson – Associate

Kathy enjoys working closely with business owners with an entrepreneurial mindset by providing a customized approach to accounting, advisory, and tax services that meet the needs of businesses. With more than 30 years of professional experience, Kathy's expertise in financial analysis and planning, accounting, business operations re-engineering, job costing, and project management enable her to assist client organizations with all of their business accounting and operational needs. 
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Donna Patille – Associate

As one of Williams Humphreys & Company’s original employees, Donna brings more than 30 years of professional business development, business operations, team leadership, and facilities management experience to the firm.
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Robert A Powell, Jr. – Associate

Rob is a senior tax accountant who brings more than a decade of proven expertise and experience to Williams Humphreys & Company. Rob provides senior-level expertise in the areas of tax return preparation and accounting services.
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Debbie Rice – Associate

With more than 13 years of detail-oriented public accounting experience serving individuals, corporations, partnerships and trusts, Debbie provides excellent service to Williams Humphreys & Company’s Business Builders for Entrepreneurs (BBE) clients.
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Jeannie Skilling – Associate

Jeannie oversees the daily operations of Williams Humphreys & Company’s Business Builders for Entrepreneurs (BBE) division where she facilitates the accounting, bookkeeping, and payroll services functions offered to small- to medium-sized businesses. With nearly 20 years of bookkeeping, accounting, and office management experience, Jeannie’s broad and deep skillset contribute to BBE’s customer-focused goals.
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  • 1831 Delaware Avenue
    Wilmington, DE 19806


  • (302) 225-3000
  • This email address is being protected from spambots. You need JavaScript enabled to view it.

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