People

Perry Teicher Impact Finance Counsel

New York

Perry represents and advises entrepreneurs, companies, fund sponsors, family offices, tax-exempt organizations, and other asset owners across a wide range of transactions, including corporate legal matters, cross-border mergers and acquisitions, private fund formation matters and portfolio transactions, and private placements. Perry advises clients on impact-oriented and ESG matters, integrating social, environmental, and financial outcomes into a comprehensive strategy. Orrick’s Impact Finance & Investment practices serves a global client base across a range of sectors, leveraging Orrick’s unique capabilities to provide innovative, effective, and thoughtful legal services to those clients aiming to create positive social and environmental change alongside targeted financial returns.

Perry serves as co-chair of the NYU Law Grunin Center/Impact Investing Legal Working Group’s annual conference on Legal Issues in Social Entrepreneurship and Impact Investing and is involved in other sector building initiatives.

Perry served as a Peace Corps Volunteer in Kazakhstan, where he supported the development of businesses aiming to create mobility and opportunity for people with disabilities in the region. Perry is an Ariane de Rothschild Fellow and member of the ROI Community and Nexus. A native of the Detroit area and University of Michigan graduate, Perry remains committed to the Detroit area, supporting Detroit expat initiatives.

Maria Teodorescu Associate

Munich

She acts on corporate transactions including leveraged buy-outs, management buy-outs, minority participations and expansion or growth financings as well as M&A transactions, often with cross-border aspects.

Before joining Orrick, she had been an associate in the private equity group of a U.S. headquartered law firm. As part of her legal clerkship, Maria worked for another U.S. law firm and a leading German law firm, among others.

Guido Testa Partner

Milan

Guido's practice focuses mainly on M&A, private equity, venture capital and joint venture transactions, as well as on corporate law and commercial contracts. In these areas, he represents primary enterprises, merchant banks, private equity and venture capital funds, as well as investment holding companies and family offices, both in domestic and cross-border transactions.

Stephen Thau Partner

New York; Silicon Valley

Stephen’s practice focuses on the representation of life science, medical device, health IT, and other technology companies in transactional matters, including public and private financings, licensing, collaborations and strategic alliances, and mergers and acquisitions. He also represents venture capital firms in public and private financing transactions.

Stephen is recognized as a Leading Life Sciences Lawyer by LMG Life Sciences in their 2021/2022 rankings and short-listed as Venture Capital Attorney of the Year. He has served as a member of the Board of Tech Council of Maryland, the leading technology and life science association in that state, and of BayBio, Northern California’s leading life sciences association. Stephen is a frequent speaker on venture capital financings and served on the faculty at the 2005 and 2007 Emerging Entrepreneurs workshops at Stanford University.

Prior to joining Orrick, Stephen was a partner at Morrison & Foerster, Venture Law Group and Heller Ehrman. He began his legal practice as a litigator, focusing on securities and intellectual property. He also served as a law clerk to the Hon. Vaughn R. Walker in the United States District Court in the Northern District of California. Stephen graduated Order of the Coif from Stanford Law School, where he was managing editor of the Stanford Law Review, and graduated magna cum laude from Harvard College in Biology.

Darrell Thomas Senior Counsel

Houston

Darrell has experience in a wide range of traditional real estate matters, including drafting and negotiating development agreements, construction contracts, restrictions agreements, purchase and sale agreements, ground leases, facility and office leases, and construction and permanent loan documents. He has also formed commercial and residential condominium regimes, including for mixed uses. He represents developers and users in acquisition and development matters, including requirements for access, utilities, detention, drainage, use restrictions and economic incentive arrangements. He also represents lenders in commercial mortgage loan originations, workouts and foreclosures.

Darrell also works on all aspects of real property requirements for energy and other projects, including drafting and negotiating leases, easements and other real property agreements, satisfying title insurance requirements, reviewing and revising property tax abatement agreements and resolving conflicts between mineral and surface development. connection with renewable energy projects, including the development, construction, financing, acquisition and disposition of projects.

Dahl Thompson Partner

Houston

Dahl represents project sponsors/developers, private equity investors, utilities and strategic investors in all stages of structuring, financing, acquiring and disposing of energy projects and companies, including the negotiation and drafting of purchase and sale, joint development, shareholder, partnership and LLC operating, debt and equity financing, security and credit agreements. Over the last decade, Dahl has successfully closed transactions relating to projects totaling many thousands of megawatts and many billions of dollars in asset value.

Mark Thompson Senior Associate

New York

Orrick’s Employment Law and Litigation group was recently named Labor & Employment Department of the Year in California by The Recorder, the premier source for legal news, in recognition of their significant wins on behalf of leading multinational companies on today’s most complex and challenging employment law matters.

In addition to his litigation practice, Mark advises clients regarding a broad range of employment issues, including human resource policies and procedures, severance agreements and employee terminations.

Prior to joining Orrick, Mark was a judicial law clerk and gained experience litigating a wide range of civil and criminal cases.

 

Julie Thompson Managing Associate

Washington, D.C.

Julie represents early to late-stage companies as well as leading investors in venture capital financings, mergers and acquisitions, corporate formation and governance matters and ongoing corporate matters. She advises companies throughout their lifecycle and represents leading venture firms in connection with their investments in private companies, in all cases across industries.

John F. Thomson Counsel

Washington, D.C.

John currently advises borrowers, sponsors, contractors and other market participants on complex project finance, project development, capital market and corporate transactions, primarily in the energy and infrastructure sectors.  

Lina Thoreson Of Counsel

Sacramento

Lina M. Thoreson is of counsel in the Sacramento office and a member of the firm's nationally recognized Public Finance Department. She has broad experience acting as bond counsel, disclosure counsel and underwriter's counsel in tax-exempt financings for healthcare borrowers include large and small healthcare providers, healthcare systems and stand-alone healthcare facilities. She also acts as bond counsel or underwriter's counsel for other 501(c)(3) borrowers.

Lina has experience working on many types of public finance transactions, including fixed and variable, tax-exempt and taxable, liquidity supported bonds, conversions, reofferings and direct purchases.

Jon Thursby Partner

Singapore

Jon advises sponsors, financial institutions and contractors on the development of offshore wind, solar and biomass projects across Asia, Europe and the United States. He has a particular focus on the developing offshore wind markets in Taiwan, Japan and elsewhere in the APAC region.

Jon's recent experience includes performing the role of Commercial Director for the Formosa II offshore wind project, which is being jointly developed by JERA, Macquarie's Green Investment Group and Swancor Renewable Energy in Taiwan. Jon also recently advised the lender group on the award-winning Changfang and Xidao offshore wind project, which remains one of the largest offshore wind project financings in Asia.

Prior to relocating to Singapore, Jon was based in London where he advised Ørsted, Copenhagen Infrastructure Partners and other offshore wind developers, as well as export credit agencies, commercial lenders and other financial institutions, on some of the most complex and innovative offshore wind projects in the UK.

Jon began his career as a construction litigator and continues to advise on both contentious and non-contentious matters.

Yuan Tian Associate

Washington, D.C.

Yuan has worked on complex mergers and acquisitions in the technology, healthcare, pharmaceuticals, and energy sectors. Prior to joining Orrick, Yuan was an attorney at Legal Innovators, Inc. in Washington, DC. She also spent six years working in the telecommunications, media and technology industries.