Will Horstmann CPA

Manager, Accounting

As an Accounting Manager, Will is responsible for managing bookkeeping and financial reporting for Willow Street client families, focusing on cash management, bill pay, and account reconciliations. He works closely with Relationship Managers to ensure our clients’ trust activity, no matter how unique or complex, is captured promptly and accurately, and distills their structures and investment data into actionable information.

Prior to joining Willow Street, Will was an Accounting Associate at a Jackson-based family office where he oversaw operational accounting for entities and personal finances of family members. Will previously served as an Audit Associate in KPMG’s Denver office, where he participated in year-end audits under GAAP and IFRS frameworks for multinational firms.

Will is a licensed Certified Public Accountant (CPA) and earned his MS and BS in Accountancy from the University of Denver. Outside of work, he enjoys spending time with his wife and twin children, exploring Jackson and its surrounding areas.