Aaron Elinoff

With a background in chemical/biochemical engineering and nearly three decades of experience, pharmaceutical and biotechnology sector clients turn to John Burke for patent counsel. His work includes crafting an overall strategy aligning business with intellectual property, performing opinion work, negotiating license agreements, conducting due diligence, and prosecuting patent applications. John is continually ranked by leading industry publications including IAM Patent 1000 , which notes tha...

William Peffer is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. William, who practices law in Denver, Colorado, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William is held by other top lawyers in the same geographic and legal practice area.

Extensive experience with a variety of complex, high-profile transactions. Provides practical, business-minded advice. Recognized for his leadership in the M&A space. Avi Loewenstein represents private equity funds, entrepreneurs, family offices and private companies in a variety of complex transactions including mergers and acquisitions, leveraged buyouts, growth equity and minority investments, corporate reorganizations and general corporate matters. Additionally, he has crafted complex...

Catherine Puttmann, Esq. is a founding shareholder at Sherr Puttmann Akins Lamb, PC. Ms. Puttmann received her B.A. in political science from the University of Colorado, Boulder in 1994, and her J.D. in 1997 from the University in Houston. Ms. Puttmann is an experienced litigator and negotiator. She was a criminal prosecutor with the 18th Judicial District from 1999 until 2005 when she moved to private practice, specializing in family law. Ms. Puttmann is an advocate for alternative dispute r...

Margaret Parnell Hogan is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Margaret Parnell, who practices law in Denver, Colorado, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret Parnell is held by other top lawyers in the same geographic and legal practice area.

Tom Bieging is of counsel with the firm. He focuses his practice in the areas of banking and commercial litigation. Mr. Bieging’s financial institutions practice includes holding company and change of control applications, loan documentation, regulatory compliance advice, loan work outs, board representation, and the sale, acquisition, and merger of banks and bank holding companies. Mr. Bieging has litigated with government agencies on financial institution policy matters with national ...

Steven M. Kelso is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Steven M., who practices law in Denver, Colorado, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven M. is held by other top lawyers in the same geographic and legal practice area.

Sean McGuinness is highly experienced in gaming regulatory matters, and represents clients throughout the USA. "He's very responsive, quick on his feet and practical in his approach, and he provides very good solutions." "He gets the job done in a timely fashion and he has excellent relationships with the regulators." "Sean's superb reputation at the (Nevada) Gaming Control Board proves invaluable in getting things done smoothly." - Chambers USA

Megan is the President and CEO, as well as a founding shareholder of Sherr Puttmann Akins Lamb PC. She is a seasoned attorney with an extensive background in family law. Megan served as a Deputy District Attorney, where she earned an appointment from District Attorney Bill Ritter to lead a juvenile federal grant program. Through the grant program she managed a team of professionals from multiple agencies and departments. Megan has litigated, mediated, and settled all types of family law cases...

Greg Densen is a partner in Taft’s Private Client group. Greg’s expertise is in probate issues and controversies and tax-based estate and business planning and administration. Greg recently assisted a family with the design and implementation of a business and tax-sensitive plan to transfer management and ownership of 50+ operating companies between generations. He has provided counsel to several families with issues of a similar nature. Greg frequently helps families through the ...