Jason Parker is an Accounting Solutions Manager at LeaseQuery. Before joining LeaseQuery, Jason worked in the audit practice at KPMG, serving clients in both the public and private sectors in various industries. Jason obtained the "Double Dawg" status at the University of Georgia, receiving a bachelor’s degree and a Master’s degree in Accounting. He is an active Certified Public Accountant and a current member of the AICPA.

Sarah O'Sullivan is a Director of Product at LeaseQuery. Sarah started her career in the audit practice at Deloitte and served in technical accounting and financial reporting roles for Fortune 500 companies in the manufacturing industry. Sarah managed the external reporting process in these roles and led implementation projects for new US GAAP compliance, including ASC 842. Sarah graduated from the University of Georgia with both a Bachelor's and Master's degree in Accounting and is a licensed CPA in Georgia.

Lisa is the Director in Accounting Advisory Services Group at Grant Thornton’s. She leads the National Leasing Center of Excellence at Grant Thornton and serve as the primary technical consultant for all consulting engagements. 

William Ryan is a Partner in the firm’s Private Client Services Group with over 15 years of experience in public accounting. Bill provides audit, assurance, tax, and consulting services for private clients with a focus on construction, real estate, engineering, and governmental contractors. Services include consulting on complex transactions, review of internal controls and process improvements, and direct industry-specific advisory services.

Bill leads engagement teams providing both assurance and tax services. He works closely with business owners to manage taxable income, improve processes and internal controls and increase profitability. Bill also has expertise in the specialized issues of privately held businesses, including tax planning, exit strategies, and inventory.

Bill’s construction experience includes utility contractors, paving companies, general contractors, subcontractors, and specialty trade contractors. He has also served as an executive board member for a New Jersey construction organization.

Bill has presented and written articles covering fraud, accounting for business owners, and tax credits