He assists clients with tax planning, formation of business entities, structuring joint ventures, financings, buying and selling businesses and business interests, real estate transactions and business restructurings, and succession planning. Corby also represents clients in tax controversies with the Internal Revenue Service and the Texas Comptroller. Corby is also a Certified Public Accountant that formerly practiced accounting with Ernst & Young and PriceWaterhouseCoopers (formerly Coopers & Lybrand) before becoming an attorney.