David J. Schaffer is a transactional attorney with a focus on corporate, startup, and private capital matters, including venture financings, private equity transactions, and Regulation D private placements. He advises entrepreneurs, investors, and privately held companies on a wide range of business and investment transactions—helping clients raise capital, structure deals, and navigate complex negotiations. His work includes drafting and negotiating purchase and sale agreements, investment agreements, shareholder and operating agreements, and other core contracts that drive growth and investment.
In addition to his corporate and investment practice, David continues to advise clients on real estate and oil and gas transactions, leveraging over two decades of experience in title, acquisition, and divestiture work. His broad transactional background enables him to bring a holistic view to complex matters where corporate, energy, and real estate interests intersect.
Born and raised in Tulsa, David is deeply connected to the local business and investment community. His combination of legal experience and practical deal insight positions him as a trusted advisor to clients pursuing growth, capital formation, and strategic transactions.
Education
- The University of Oklahoma College of Law, J.D., with distinction, 2000
- Georgetown University, B.S.B.A., 1997
Bar & Court Admissions
- Oklahoma
- Texas
- U.S. District Court – Northern District of Oklahoma
- U.S. District Court – Western District of Oklahoma
- U.S. Court of Appeals for the Tenth Circuit
Professional Affiliations
- Oklahoma Bar Association
- Tulsa County Bar Association
Practice Areas
- Corporate and Business Transactions
- Real Estate
- Oil and Gas Title and Transactions
- Estate Planning
- Probate, Estate and Trust Administration, and Guardianships
- Personal Injury Litigation
Contact the attorneys at Schaffer Herring PLLC today to schedule your consultation.

