Rumbough has a depth of accounting experience which includes jobs in both public accounting and industry. After earning his undergraduate degree in accounting from North Carolina State University in 1986, Rumbough went to work for Deloitte and Touche in New York City as an auditor. Rumbough left Deloitte in 1989 to work for Maytag Corporation. During his career at Maytag, he held internal audit, financial planning and analysis, and division controller roles before being named the VP Corporate Controller and Chief Accounting Officer in 2002. After Maytag was sold to Whirlpool Corporation in 2006, Rumbough accepted a similar position as the VP Corporate Controller and Chief Accounting Officer for Lennox International, a role he held until 2017. In his fifteen years as the Chief Accounting Officer for two global public companies, Rumbough has significant experience with SEC reporting and complex accounting areas such as pensions, derivatives, foreign currency, acquisition accounting and consolidations.
Rumbough has always had a love for teaching and taught Advanced Accounting as an Adjunct Professor at the University of Texas at Dallas while he was working at Lennox International. In addition to his Accounting degree from North Carolina State University, Rumbough also has an MBA from the Kellogg School of Management (Northwestern University). He is a Certified Public Accountant and a Certified Management Accountant.