Christopher Vatsaas

Alexandra J. Olson is a lawyer recognized by Best Lawyers in the practice area of Litigation - Intellectual Property. Alexandra J. practices law in Minneapolis, Minnesota Best Lawyers has recognized Alexandra J. Olson since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Alexandra J. Olson is held by other lawyers.

Chris Mumm is a business lawyer and a deal maker. He has deep experience with challenging business issues and represents clients especially with respect to mergers and acquisitions, capital structuring, deal management, corporate financing transactions (including private placements) and employment law matters. Chris’s experience includes a wide range of transactional matters, from single-location acquisitions to large, multi-unit, multi-jurisdictional transactions. During his time with ...

Sam’s practice at Carlson Caspers focuses on patent litigation and counseling. He has worked with leading technology companies to develop domestic and international enforcement strategies involving complex technologies. Sam has litigated patent disputes in federal district courts across the country, before the Federal Circuit Court of Appeals, in Inter Partes reviews before the Patent Trial and Appeal Board, and other disputed matters before the patent office. Sam also advises technolog...

J. Robert (Rob) Keena helped build Hellmuth & Johnson’s litigation practice to find solutions that others don’t think of. “I work closely with both litigators and transactional attorneys at Hellmuth & Johnson to make sure that any client I represent receives the benefit of experienced eyes on every matter we handle. I don’t know of any other law firm that embraces complexity with creative thinking the way we do. I love it when someone who has a tough problem, a...

Alec Sherod has extensive experience successfully representing both public and privately held companies across many industries. He primarily practices in the following areas: Mergers and acquisitions Corporate finance Private equity and venture capital finance Commercial contracts Corporate strategy and governance Securities regulations Strategic corporate and business counseling Shareholder issues In his practice, Alec assists buyers, sellers and financial advisors in a wide variety of domes...

Heather L. Marx is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Heather L. practices law in Minneapolis, Minnesota Best Lawyers has recognized Heather L. Marx since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Heather L. Marx is held by other lawyers.

A firm shareholder, John counsels buyers and sellers on effectively structuring and documenting transactions involving business combinations, purchases and sales, and financing. John has earned his clients’ trust as a business advisor because he approaches their legal issues with a nuanced understanding of a business owner’s objectives and a comprehensive knowledge of financing sources and techniques a complex transaction demands. John leads the firm’s Multi-Unit Succession ...

Stuart L. Goldenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Stuart founded his first law firm in 1986 with the idea that injury law should value client service and dignity above everything else. He has litigated some of the largest pharmaceutical, personal injury, medical malpractice, and product liability cases in the country- including cases involving wrongful death, brain...

Paul is a skilled trial attorney whose practice is focused on helping injured railroad workers obtain fair compensation under the Federal Employers’ Liability Act. He understands the strategy and tactics required to level the playing field for his clients who bravely bring claims against multi-billion-dollar railroads. Paul excels at his trial work and has mastered the ability to artfully present his case to the jury during a trial, which is reflected in his most recent $8 million dolla...

Gregory P. Brenny is a lawyer recognized by Best Lawyers in the practice area of Real Estate Law. Gregory P. practices law in Minneapolis, Minnesota Best Lawyers has recognized Gregory P. Brenny since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Gregory P. Brenny is held by other lawyers.