Alfonso Javier Alvarez-Calderón Yrigoyen

Bill Zimmern provides strategic leadership and practical, business-oriented advice on a broad range of mergers and acquisitions transactions, with substantial experience involving financial sponsors, large corporations, and the representation of founders and long-time owners. He also assists clients with securities and general corporate matters. Bill serves as Co-head of the firm's Corporate practice. Bill has worked for sophisticated clients across a number of industries, including in the he...

Jason A. Feld is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Jason A., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason A. is held by other top lawyers in the same geographic and legal practice area.

Kenneth A. Tomchin has over 30 years of litigation experience. Upon graduating law school, Ken joined the law firm of Mahoney, Adams & Criser, where he represented a wide variety of businesses of various sizes with their commercial litigation needs. After making shareholder, Ken continued his practice before founding Tomchin & Odom, P.A. in the spring of 1997. Ken joined Taylor, Day, Grimm & Boyd in the fall of 2019. He now focuses his practice on complex litigation matters. Ken i...

Sabra J. Faires is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Tax Law. Sabra J., who practices law in Raleigh, North Carolina, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sabra J. is held by other top lawyers in the same geographic and legal practice area.

Christopher Wappel is a partner in the Corporate Practice Group. He focuses on commercial lending and finance. Christopher has practiced law since 1999. He represents borrowers, agents, and lenders in structuring, negotiating, and documenting senior and subordinated, secured and unsecured, and bilateral and syndicated credit facilities, including acquisition, asset-based, oil and gas, real estate, receivables, vessel, and working capital financings. Christopher also has significant experience...

Karen McGaffey's practice involves the full range of environmental issues. She assists clients with project development, permitting, compliance and regulatory matters under state and federal environmental and land use laws, including the National and State Environmental Policy Acts (NEPA/SEPA), the Clean Water Act (CWA), the Clean Air Act (CAA), and the Endangered Species Act (ESA). She represents clients in environmental litigation, including CERCLA and MTCA cost recovery actions, natural re...

G. Tyson Bickley is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law and Mergers and Acquisitions Law. G. Tyson, who practices law in Nashville, Tennessee, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which G. Tyson is held by other top lawyers in the same geographic and legal practice area.

Emer Simic is a partner in the Intellectual Property Practice Group and focuses her practice on patent litigation and counseling in the pharmaceutical and biotech space. Emer has substantial experience successfully representing pharmaceutical and biotech companies in Hatch-Waxman and patent infringement disputes before the U.S. District Court and before the Patent Trial and Appeal Board (PTAB). A strategic advisor and compelling advocate, Emer partners with her clients to achieve their goals ...

Nicole Erickson is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Nicole, who practices law in Portland, Oregon, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicole is held by other top lawyers in the same geographic and legal practice area.

Danielle M. Lauzon is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Danielle M., who practices law in Boston, Massachusetts, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Danielle M. is held by other top lawyers in the same geographic and legal practice area.