Amy C. Allen

M&A attorney with 49+ years of experience counseling clients in buying, selling, merging and dividing businesses, business taxation, and business planning. Practice includes structuring, negotiating, managing and documenting all types of mergers, acquisitions, dispositions, leveraged buyouts, management buyouts, family business planning, tax-free reorganizations, corporate divisions, acquisitions and dispositions involving ESOPs, private equity transactions, partnership and limited liabil...

Andrew (Andy) B. Lehman advises clients in complex mergers and acquisitions, joint ventures, structured equity transactions and management equity arrangements. He represents clients in an array of industries, including conventional and renewable energy, information technology, healthcare, manufacturing, consumer products and financial and business services. Read full biography: https://www.mwe.com/people/lehman-andrew-b/

James K. Longhofer is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. James K., who practices law in Houston, Texas, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James K. is held by other top lawyers in the same geographic and legal practice area.

David Elder is a partner in the Corporate Department at Paul Hastings and is based in the Firm’s Houston office. Mr. Elder focuses on mergers and acquisitions, public and private securities offerings, corporate governance and general corporate securities matters. He represents major corporate clients across the energy, oil and gas, sports and entertainment, and telecommunications sectors. He also advises issuers, underwriters and investment banking firms in public and private offerings....

Gregory V. Nelson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax and Tax Law. Gregory V., who practices law in Houston, Texas, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory V. is held by other top lawyers in the same geographic and legal practice area.

Lauren Black is a partner in the firm’s Litigation Practice Group with more than a decade of experience handling a diverse array of matters. While her practice is “industry agnostic,” she has represented clients in the energy, construction, manufacturing, healthcare, shipping, technology, and logistics industries. Lauren has achieved favorable results for clients facing all aspects of civil litigation, from a strategic approach to early dispute resolution to a favorable sett...

David Castro Jr. is a corporate partner in the Houston office of Kirkland & Ellis LLP. David’s practice focuses on mergers & acquisitions and the formation of joint ventures involving energy assets across the value chain, including traditional and renewable energy sources. David has represented clients in connection with the purchase and sale of a broad range of assets, including upstream and midstream oil and gas assets and companies, processing and fractionation facilities and...

Judge Moore co-leads AZA’s appellate practice group. He has prosecuted more than 100 appeals in state and federal courts. In one day in 2021, Judge Moore argued two governmental-immunity cases back-to-back in the Texas Supreme Court. He won both. The two cases he argued are City of San Antonio v. Armando D. Rioja and City of San Antonio v. Jimmy Maspero . Judge Moore is a go-to lawyer for high-stakes, high-profile, complex litigation. (He recently represented Ben & Jerry’s and...

Keith Short is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Keith, who practices law in Houston, Texas, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Keith is held by other top lawyers in the same geographic and legal practice area.

Allan Kirk is a top attorney recognized by Best Lawyers in the practice area(s) of Leveraged Buyouts and Private Equity Law. Allan, who practices law in Houston, Texas, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Allan is held by other top lawyers in the same geographic and legal practice area.