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Zack Callarman


Zack Callarman is a member of Winstead’s Corporate, Securities/Mergers & Acquisitions Practice Group. Zack focuses his practice on mergers, acquisitions, dispositions, entity formation and structure, and securities offerings, and additionally counsels private and public companies in a broad range of general corporate and commercial matters. Zack has significant experience working with oil and gas transactional matters, including title examination and rendering title opinions covering state and privately owned lands in Texas. Zack’s experience further includes the preparation of deeds, leases, joint operating agreements, assignments and various other documents utilized by upstream oil & gas companies, and general legal counsel for midstream/downstream operations for pipeline and refining companies.