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Patrick Corrigan
PRESIDENT
Patrick was formerly a Senior Advisor within President Trump’s Office of Management and Budget (OMB) performing the duties of the Controller. Prior to joining OMB, Patrick worked for over 25 years at a variety of financial services firms (i.e. Bankers Trust, Deutsche Bank & Barclays) after starting at Ernst & Young auditing government and financial services clients. Patrick has a BBA in Accounting from the University of Massachusetts at Amherst and is a CPA, CFA, CFP™ & Notary Public (DC).
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Sean McMahon
CHIEF FINANCIAL OFFICER
Sean was formerly the Chief Financial Officer of the Leadership Institute (LI), where he built out a finance department which was described as “one of the most technologically-advanced nonprofit finance departments”. With deep experience in systems implementation and integrations, Sean has successfully implemented multiple instances of Sage Intacct accounting software, as well as AP automation, FP&A budgeting and reporting, corporate expense management, and HRIS tools. Prior to his time at LI, Sean worked at the Conservative Partnership Institute, The Heritage Foundation, and the United States Congress. McMahon holds an M.Phil from the University of Cambridge, England and a B.A. from Ave Maria University.
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Nick Stoltzfus
CERTIFIED PUBLIC ACCOUNTANT
Nick Stoltzfus is a CPA licenses in the Commonwealth of Virginia. He began his career in that tax practice of PwC LLP where he focused on tax exempt organizations. Prior to joining Compass Professional, Nick served as Director of Accounting and Controller at the Heritage Foundation in Washington, DC. He specializes in providing back-office services to startups in the nonprofit and for-profit space and is an active angel investor. Nick holds an MS in Accounting and a BS in Commerce from the University of Virginia, McIntire School of Commerce.
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Sean Tarnowski
CONTROLLER
Sean brings experience across political operations and nonprofit finance, having served as a Field Director for a congressional campaign in Southern California’s 49th District and as a Field Consultant for the National Republican Senatorial Committee in Atlanta, Georgia.
He joined Compass Professional in 2021 as the firm’s first employee, where he helped build its financial operations, compliance processes, and internal technology systems. Sean is a graduate of Indiana University, holding degrees in pre-law and an MBA. He resides in Orange County, California, with his wife and son.
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Alyssa Graham
SENIOR ACCOUNTANT
Alyssa Graham is a distinguished graduate of Pensacola Christian College, where she earned a degree in finance, along with minors in accounting and management, in 2023. Her academic excellence was recognized with the highest honors, graduating Summa Cum Laude. Alyssa’s professional experience includes an internship under the CFO of a global leader in IoT location services technology, where she honed her skills in accounting and HR. At Compass Professional, she has gained experience in 1099 filings, audit preparation, and financial reporting. Additionally, Alyssa manages our caging process, ensuring staff maintain accurate and efficient procedures. Alyssa is a Notary Public (DC).
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Andre Chang
CORPORATE SECRETARY
Experienced in legislative research, speechwriting, and nonprofit accounting, Andre has supported elected officials, policy organizations, and campaigns through roles with the South Carolina Freedom Caucus, The Claremont Institute, and Compass Professional. He has led student civic engagement initiatives, served on university governance councils, and conducted research in constitutional law and voter behavior. His background blends operations, public service, and a commitment to advancing principled leadership.
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Colton Jones
STAFF ACCOUNTANT
Colton Jones is a Staff Accountant from Prentiss, Mississippi, and a two-time graduate of the Patterson School of Accountancy at the University of Mississippi. He earned his Bachelor of Accountancy with a minor in Political Science in 2024, graduating from the Sally McDonnell Barksdale Honors College, and completed his Master of Accountancy and Data Analytics in 2025. During his time at the University of Mississippi, Colton was actively involved in campus leadership and student life as Chairman of the Ole Miss College Republicans from 2022–2024, a member of the Associated Student Body as an ASB Senator, and a member of Beta Theta Pi fraternity. He also gained practical political experience working on Republican campaigns in Mississippi, contributing to grassroots strategy, voter outreach, and campaign operations. At Compass Professional, Colton applies his analytical training and accounting expertise to support clients with financial reporting, reconciliations, and data-driven process improvements, bringing precision, clarity, and reliability to complex financial environments.
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Lillie Myers
STAFF ACCOUNTANT
Originally from Salina, Kansas, Lillian Myers is a Staff Accountant and a recent graduate from the University of Kansas, where she earned her bachelor's degree in Accounting. During her time at the University of Kansas, Lillian held leadership positions within the Chi Omega fraternity, such as Alumnae Relations Chair and Head of Recruitment Logistics.
Lillian’s professional experience includes serving as a political intern for the Conservative Partnership Institute, and as an accounting intern for Compass Professional, with notable experiences including assisting a member of the House of Representatives, attending House Judiciary hearings, supporting staff members with various accounting projects, and handling day-to-day caging responsibilities.Description goes here
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Grace Sullivan
ACCOUNTS PAYABLE MANAGER
Grace grew up in Denver, CO. She got her professional start as an intern at the Leadership Institute in 2019. Since then, she has worked in many different areas of development, and now works for Compass Professional. In her free time she enjoys spending time with friends, reading, and hiking.
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Mireya Torra
CHARTED GLOBAL MANAGEMENT ACCOUNTANT
Mireya Torra is a seasoned CPA (inactive) and CGMA with 30+ years of experience in public accounting and various private industries. She has a comprehensive understanding of all aspects accounting, including the preparation of financial statements to GAAP and other comprehensive basis of accounting, including Statutory Accounting Principles. She also earned a BA in Business Management and managed all daily accounting activities for nonprofits, corporations and LLCs. She has also managed human resources departments and prepared various federal, state, and local income tax returns. Mireya has experience developing new billing and reporting procedures, and has presented audited financial statements at annual membership meetings.
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Mary Haas
PAYROLL CONSULTANT
Mary Haas, with 16 years of consulting experience, leads the Payroll offering at Compass Professional. She specializes in administrative services for non-profit and start-up organizations, including financial management, fundraising, and human resources. Leveraging her connections with national payroll firms, she secures discounts for clients on payroll and benefits. Her HR consulting has aided in employee recruitment, doubling one company’s team size from 40 to 80. Mary ensures industry compliance and manages databases, in addition to facilitating training and implementing procedures.
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Thomas Datwyler
FEC COMPLIANCE CONSULTANT
Over the last twelve years, Thomas Datwyler has served as treasurer for numerous state and federal campaigns and committees. Thomas has extensive experience with FEC compliance and reporting, contribution processing, and record keeping. He has worked with political parties, committees, PACs, and candidates at the state and federal level. Thomas began his career as a finance intern at the 2008 Republican National Convention in St. Paul, MN. He’s a spouse, father, and marathon runner. He holds a Business Finance and Accounting degree from Bethany Lutheran College in Mankato, MN.