Zackary D. Callarman’s practice is focused on representing banks, private lenders, financial institutions, corporate lenders, hedge and mezzanine funds, and business associations in corporate and commercial transactions spanning across multiple industries.

He has significant experience working with oil and gas transactional matters, including mergers, acquisitions, dispositions, entity formation and structure, asset-based lending and reserve-based financing, and regularly advises clients on energy commodities and other hedging transactions, including the drafting and negotiating of intercreditor agreements, hedging agreements (including ISDA Master Agreements and NAESBs), netting agreements, guarantees, and trade confirmations.

Zack’s background further includes title examination and the preparation of deeds, oil and gas leases, joint operating agreements, farmout agreements, assignments, surface use agreements and various other documents utilized by upstream oil and gas companies, and general legal counsel for midstream/downstream operations for pipeline and refining companies.

Outside the Firm

In his free time, Zack enjoys golfing in Dallas in the spring and summer seasons and hunting in Louisiana and West Texas during the fall and winter seasons.