Greenbar, LLC is the law office of Adam J. Koscielski. The firm was founded to provide efficient, client-focused legal services that meet the evolving needs of today’s entrepreneurs and businesses. With a strong emphasis on leveraging new technologies—including artificial intelligence—Greenbar delivers modern, streamlined legal solutions without sacrificing precision or reliability.

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Adam brings extensive experience across the cannabis industry and beyond. He has served as Assistant General Counsel at Vireo Health, Inc., advising on transactions, corporate governance, capital raises, multi-state acquisitions, and regulatory compliance. As a Corporate Associate at Greenspoon Marder LLP, he guided cannabis operators and entrepreneurs through negotiations, mergers, financings, licensing, and entity structuring. He also held leadership roles at PharmaCann Inc., overseeing regulatory compliance and drafting dozens of license applications across multiple jurisdictions.

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Drawing on this dual perspective—as both outside counsel and in-house general counsel—Adam offers practical, business-minded counsel that helps clients anticipate challenges, capture opportunities, and achieve long-term success. At Greenbar, clients can expect efficiency, transparency, and strategic guidance at every step of their journey.