Department Leaders
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Sean M. Balliet, CPA
Supervisor
Areas of Focus
Sean's area of concentration is taxation of corporations, partnerships, and limited liability companies. He has worked with many small business owners in the areas of federal, multi-state and local income taxation. He also has experience in individual tax planning, preparation and compliance.
Professional Experience
With more than ten years of public accounting experience, Sean enjoys working jointly with many small business owners and proprietors to help grow and maintain their businesses.
Professional Associations
Sean is a member of the American Institute of CPA's, the New Jersey Society of CPA's, and the Delaware Society of CPA's. Sean was recently named the Delaware CPA society's tax committee chair member.
Education
Sean is a graduate of Rutgers University earning a Bachelors of Science degree in the field of Accounting.
Community Service
Sean is an avid runner that participates in several local charity benefit runs each year and has completed four marathons.
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Laura A. Becker, CPA
Manager
Areas of Focus
Laura's primary area of focus is the taxation of trusts and estates. She has experience with a range of planning and reporting services in the fiduciary area including preparation of estate, gift tax and fiduciary income tax returns, in addition to assisting with estate administration.
Professional Experience
Beginning her career at regional CPA firms in Albany, NY, Laura joined Gunnip & Company's tax department in 1996.
Professional Associations
She is member of the Delaware Society of Certified Public Accountants and Wilmington Tax Group.
Education
Laura earned a Bachelor of Business Administration from Siena College, Loudonville, NY.
Community Service
Laura serves on the board of the Garnet Valley High School Home and School Association.
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Steven W. Coppock, CPA
Manager
Areas of Focus
Steve manages the accounting function for the Special Purpose Entity division which includes financial reporting, accounting policies and procedures, client quality reviews, payroll and franchise tax compliance and state informational reporting.
Professional Experience
Along with his experience with special purpose entities, Steve's experience includes managing the balance sheet reconciliation process at Cigna, various positions at MBNA America including managing the Financial Control Unit and Affinity Compensation accounting as well as Mergers & Acquisitions and Sarbanes-Oxley. Steve also has accounting experience within the healthcare industry.
Professional Associations
He is a Certified Public Accountant in Pennsylvania and Delaware, and a member of the American Institute of CPA's, Delaware Society of CPA's and Delaware County Chamber of Commerce.
Education
Steve received a Bachelor of Science degree in Accounting from the Pennsylvania State University and has been began working in the accounting industry in 1991.
Community Service
Steve is a parishioner at Our Lady of Perpetual Help in Morton, PA. He enjoys spending time with his family and long jogs.
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Corrie E. Cristaldi, CPA, MST
Manager
Areas of Focus
Corrie provides the firm with experience in strategic tax planning, research and analysis for individuals, partnerships and LLPs. She is well-versed in federal, state, local, multi-state and real estate tax matters.
Professional Experience
Beginning her career in Florida in 1996, Corrie joined Gunnip in 2003.
Professional Associations
Corrie is a member of the American Institute of Certified Public Accountants, the Delaware Society of Certified Public Accountants and the Wilmington Tax Group.
Education
Earning a Bachelors degree in Accounting and a Masters in Accounting and Taxation, Corrie graduated from Florida Gulf Coast University in Ft. Myers, FL.
Community Service
Corrie enjoys spending time with her family. Previously, she was involved with Volunteer Income Tax Assistance (VITA) program, offering free tax help to low- to moderate-income families.
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Christopher D. Erisman, CPA
Manager
Areas of Focus
Chris manages auditing, accounting, and consulting engagements in various industries, including contractors, manufacturers, wholesalers, real estate management companies and non-profit organizations. In addition to audits, reviews and compilations, Chris also has extensive experience with corporate and individual taxation compliance.
Professional Experience
A manager in Gunnip & Company's assurance practice, he has been with the firm since 2003.
Professional Associations
His memberships include the American Institute of Certified Public Accountants and the Delaware Society of Certified Public Accountants.
Education
Earning a Bachelor of Science in Accounting, Chris graduated from the University of Delaware.
Community Service
Chris and his family attend and contribute annually to various fundraising events for local schools, hospitals and churches.
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Lindsay J. Jennings, CPA
Supervisor
Areas of Focus
Lindsay provides a range of audit and accounting services, primarily focusing on the audit and review of construction and real estate entities, employee benefit plans and nonprofit organizations. In addition to audits, reviews and compilations, Lindsay also has experience with HUD compliance, and corporate and individual taxation compliance.
Professional Experience
Beginning her professional career with Gunnip & Company, she has been with the firm since 2004.
Professional Associations
Lindsay is a member of the American Institute of Certified Public Accountants and the Delaware Society of Certified Public Accountants.
Education
Lindsay graduated from the University of Delaware, earning a Bachelor of Science in Accounting.
Community Service
She is actively involved with the Delaware Contractors Association and Associated Builders and Contractors.
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Christopher C. Jones, JD, LLM Taxation
Manager
Areas of Focus
Chris focuses on general matters of corporate and individual income taxation, estate and gift taxation, director, officer and corporate management/governance services for special purpose entities.
Professional Experience
Prior to joining Gunnip & Company, Chris was an associate attorney at McLawhorn & Associates in Greenville, North Carolina, where he focused on advising individuals and small businesses particularly with respect to corporate law, general tax and estate planning legal matters. He was a tax associate in the personal financial services group of the tax department of the Philadelphia office of PricewaterhouseCoopers, LLP, working with income tax planning and estate tax planning and compliance issues for high net worth clients. Chris was an associate attorney at Stewart & Associates in Wilmington, Delaware, where he focused on providing corporate legal services and tax advice to special purpose entities, and an associate attorney in the tax department of Young Conaway Stargatt & Taylor, LLP, also located in Wilmington, Delaware, where he assisted tax partners with matters related to special purpose entities, legal matters and legal documentation related to the formation, organization and operation of corporations and limited liability companies, general tax issues and other legal matters.
Professional Associations
Although he does not actively practice, Chris is a member of the Delaware, Pennsylvania and North Carolina Bars.
Education
Chris holds a B.S. in Business Administration from UNC-Chapel Hill, a J.D. from Widener University School of Law, and a LLM in Taxation from Villanova University School of Law.
Community Service
Chris volunteers time coaching youth sports for the Avon Grove Wildcats in both football and lacrosse. He serves as Treasurer for the Avon Grove Wildcats lacrosse management board. Chris is also involved with the Southern Chester County Chamber of Commerce.
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Anne R. Lane, CPA, MST
Supervisor
Areas of Focus
As a supervisor in the tax department, Anne prepares and reviews Federal and multi-state income tax filings for individuals, corporations, and partnerships. She is also involved in tax planning and research projects and supervising staff development and training.
Professional Experience
Anne's experience includes tax work with individuals, privately held companies and partnerships. She also has experience in benefit plans and compliance. Prior to joining Gunnip in 2009, she was a manager in another public accounting firm in Wilmington for 15 years, working primarily in tax and benefit compliance.
Professional Associations
Anne is a member of the American Institute of CPA's, Delaware Society of CPA's and World at Work.
Education
Anne has a Bachelors degree in Accounting from Colorado State University and a Masters in Taxation from Villanova University School of Law.
Community Service
Anne is active in the community volunteering at various organizations including Girls on the Run, Brandywine Springs School and her local church.
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Lyn C. Lewis, CPA
Supervisor
Areas of Focus
Lyn has extensive experience in accounting, taxes and management advisory services, particularly in the areas of closely-held organizations. She works with a variety of organizations including medical practices and law firms.
Professional Experience
A supervisor in Gunnip & Company's assurance practice, she has been with the firm since 1986. Lyn has more than 20 years experience in the accounting industry.
Professional Associations
Lyn is a member of the American Institute of Certified Public Accountants and the Delaware Society of Certified Public Accountants.
Education
She holds a Bachelor of Science in Education from West Chester State College and an Associate in Accounting from Delaware County Community College.
Community Service
Annually, Lyn serves as the firm's corporate chairperson for the Adopt-A-Family and Adopt-A-Student appeals.
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Valerie C. Middlebrooks, CPA
Senior Manager
Areas of Focus
As a manager in the tax department, Valerie is involved in all areas of taxation including strategic planning, research, analysis and preparation for the firm's clients, including individuals, small and large privately held companies and not-for-profit organizations. Her diversified background also includes investments analysis, financial forecasting and business modeling.
Professional Experience
Throughout her career, Valerie has gained experience in all areas of taxation. Previously working in the Bethesda office of a regional firm, Valerie earned recognition for her ability to develop opportunities for her clients and her team. She began her career in Wisconsin, working in public accounting and for one of the largest law firms in that area.
Professional Associations
Valerie is a member of the American Institute of Certified Public Accountants, the Delaware Society of Certified Public Accountants and the Wilmington Tax Group.
Education
Valerie attended the University of Wisconsin, earning a BBA in accounting and marketing.
Community Service
Valerie has been involved in various nonprofits over her career both as a volunteer and as a member of the board of directors including the Ronald McDonald House and the Milwaukee Community Foundation.
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Michele A. Vavala, CPA
Supervisor
Areas of Focus
A supervisor in our assurance practice, Michele focuses on audits, reviews, and compilations to a substantial mix of both profit and not-for-profit clients, including educational institutions, governmental entities and employee benefit plans. Michele also has experience with single audit compliance and OMB Circular A-133.
Professional Experience
Originally joining Gunnip in 2005, Michele has more than six years of diversified audit, accounting, tax and consulting experience.
Professional Associations
Michele is a member of the American Institute of Certified Public Accountants and the Delaware Society of Certified Public Accountants. She also participates with the Delaware State Chamber of Commerce Young Executives Committee.
Education
Attending the University of Delaware, Michele earned a Bachelor of Science in Accounting and a Bachelor of Science in Business Administration with minors in Management Information Systems and Economics.
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Philip A. Winnington, CPA
Manager
Areas of Focus
Phil provides the firm with experience in auditing, accounting and consulting services. His diversified background includes working with a substantial mix of privately-held companies, not-for-profit organizations and governmental entities including manufacturing, wholesale, financial services, private schools. He has considerable experience with single audit compliance and OMB Circular A-133. He also enjoys assisting clients with internal control improvements and operational efficiencies.
Professional Experience
Beginning his professional career with Gunnip & Company in 2002, Phil became a manager with the firm in 2011. Phil graduated from Villanova University, earning a Bachelor of Science in Accounting.
Professional Associations
Phil is a member of the American Institute of Certified Public Accountants and the Delaware Society of Certified Public Accountants.
Education
Phil graduated from Villanova University, earning a Bachelor of Science in Accounting.
Community Service
Phil is a member of St. Elizabeth's Parish in Wilmington, DE.
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