Luke Coombs

Luke Coombs is a managing director for the Washington, D.C. and Baltimore area offices of Andersen Tax. Coombs has more than 20 years of experience in delivering tax services to business enterprises and individuals. He practices in the areas of federal, state and local and accounting for taxation for financial statement purposes and tax compliance. Coombs has consulted with companies in many industries, including insurance, manufacturing, retail, broadcast, real estate (and REITs), services, sports franchise and investment partnerships. His experience ranges from Fortune 300 companies to high net worth individuals. Coombs has expertise in tax planning, consulting and compliance. He also works extensively with large and small companies regarding accounting for income taxes (FASB ASC 740) services, including implementing accounting for uncertain tax positions. For insurance companies, he has provided assistance relating to SSAP 10 for statutory reporting purposes. He helps companies evaluate and plan acquisition structures and methods, and provides due diligence services. Before joining Andersen Tax, he was with Arthur Andersen and then Ernst & Young, where he helped develop FASB ASC 740 (formerly FAS 109) firm-wide training and instructed both audit and tax training for the mid-Atlantic area.

Ron Arculeo

Ron Arculeo, Deloitte Tax LLP, is a global employer services (GES) practitioner and leader of the Philadelphia office for GES. Arculeo is an attorney experienced in the design, analysis, taxation and administration qualified and nonqualified retirement, health and welfare, executive compensation and employee fringe benefit plans, as well as the individual taxation of employees on assignment abroad. Arculeo is responsible for the development of the U.S. India operations for the Deloitte Tax compensation and benefits practice and supervises professionals in two India locations. He also is the National 5500 Practice Leader and led the development of the compliance process and technology and serves as lead on the largest 5500 engagements in the practice. Arculeo currently is engaging clients to provide them ACA reporting services that he has developed for Deloitte Tax.

Christine Landoll

Christine Landoll is a director in the Global Employer Services practice at Deloitte Tax, LLP with a focus on Global Mobility Compensation and Mobility Transformation. She specializes in better integrating the global mobility function with talent management to align with organizational business and talent objectives. Landoll's experience includes the design, implementation and execution of global policies within human resources. She has supported a variety of companies in different industries to streamline their expatriate administration through updating processes and procedures. Landoll has more than 25 years of experience in professional services serving in the tax, learning and development and mobility space. Landoll is a CPA, a Global Professional in Human Resources (GPHR®) and a Global Mobility Specialist-Talent (GMS-T®).

Edward T. Yoder

Edward T. Yoder is an audit manager in the Harrisonburg office of PBMares. He has 17 years of public accounting experience. His principal duties include reviewing and supervising audits of small and mid-sized organizations. He works extensively with not-for-profit organizations and employee benefit plans, both from an accounting and tax perspective. Professional memberships for Yoder include the American Institute of Certified Public Accountants and the Virginia Society of Certified Public Accountants. He also holds leadership positions in various civic and charitable organizations in the Harrisonburg area. Yoder graduated with a Bachelor of Science in accounting from Goshen College in Goshen, Indiana. He received a Master’s in accountancy from the University of South Florida in Tampa, Florida.

Greg Scates

Greg Scates, deputy chief auditor, PCAOB provides technical direction in the development of the Board's standards; assisting in managing the activities of the Office of the Chief Auditor; and ensuring that the PCAOB standards are appropriately communicated to public company auditors and other interested parties. Prior to joining the PCAOB in June 2003, Scates served in the enforcement division of the SEC, where he investigated allegations of financial fraud and violations of federal securities laws. Before joining the SEC, he worked with international accounting firms for approximately 17 years, including two years in a firm's national office, assisting with the development and implementation of firm audit policies and providing technical assistance to practice offices. Scates earned a BS in accounting from the University of Tennessee at Martin and his master's degree from George Mason University. He is a certified public accountant in Tennessee.

Paul Calabrese

Paul Calabrese provides accounting and consulting services to non-profit and government contracting clients of Rubino & Company. His area of expertise includes Federal grant compliance under the Uniform Guidance with respect to the development of policies and procedures, sub-recipient monitoring, training and the development of indirect cost rate proposals to several Federal agencies. On the federal procurement side, Calabrese has supported all facets of a liaison relationship with the Defense Contract Audit Agency on such matters as incurred cost submissions, indirect rate development, prepared several incurred submissions using the DCAA ICE template, forward pricing reviews, cost and price proposals, “mock” defective pricing audits for clients, billing system reviews, contract close-outs, compensation reviews, Cost Accounting Standards issues and prepared several CAS Disclosure Statements.

John Renner

John Renner, principal, Renner and Company, CPA, has more than 35 years of experience in public accounting. During this time, he has helped countless small businesses grow and flourish. His areas of expertise include services to professional practices, government contractors, manufacturers, and other closely held businesses. Renner is certified in financial forensics under standards issued by the American Institute of Certified Public Accountants. He is licensed to practice in Virginia, the District of Columbia, Maryland, New Jersey and Illinois. He is a member of the American Institute of Certified Public Accountants, the Greater Washington Society of CPAs, and the Virginia Society of Certified Public Accountants. Renner has a Bachelor’s of Science in business from the Virginia Polytechnic Institute and State University in Blacksburg, Virginia. Renner has served on the Board of Directors of the VSCPA and the Northern Chapter of VSCPA. Renner is a certified instructor of Virginia Ethics course.

George Mason University School of Business

Ranked by U.S. News & World Report in the top 10 percent of all AACSB accredited business schools, the School of Business is one of only 25 percent of business schools accredited in both business and accounting by the Association to Advance Collegiate Schools of Business (AACSB) International.




Main Campus
School of Business 
Enterprise Hall 
4400 University Drive, MS 1B1
Fairfax, VA 22030

AACSB Accreditation