Our Team

Dree Collopy

Of Counsel

Dree K. Collopy is Of Counsel to Grossman Young & Hammond. She is a U.S. immigration lawyer with nearly two decades of experience and has earned her reputation as a creative, steadfast, and compassionate advocate, capable of handling the most complex matters.

Sandra Grossman

Partner

Sandra Grossman is a founding partner of Grossman Young & Hammond, a full-service immigration and international human rights law firm in Maryland. She is a skilled practitioner with nearly two decades of experience in a broad range of immigration…

Arthur Leclerc

French Immigration Law

Arthur Leclerc is a French administrative and immigration law attorney. He holds a Master’s degree (Master 2) in International and European Law, obtained…

Nadia Abada

French Tax Law

Nadia is a French attorney practicing in international tax law in Toulouse, France. She holds a Master’s degree in tax law from the University of Toulouse…

Aurore Le Roy de la Chohinière

French Civil Law

Aurore is a French business and civil law attorney based in Toulouse, practicing at CLF AVOCATS, a law firm specializing in insurance and liability issues in civil law…

Becki L. Young

Partner

Becki Young, founding Partner, is a seasoned business immigration attorney with three decades of experience in the field. Becki regularly provides immigration law advice to clients in a broad range of industries, including investment banking and secu…

Patrick Taurel

Partner

Patrick Taurel is a Partner at Grossman Young & Hammond. He litigates immigration cases in federal court, fights complex removal cases in immigration court, advises criminal defense counsel on the immigration consequences of criminal convictions…

Denise C. Hammond

Senior Counsel

Denise Hammond, Senior Counsel, has focused exclusively on the practice of immigration law for almost 30 years. She has received numerous accolades from clients and peers for her extraordinary level of personal service, her resourcefulness…

Anne Rowley

Counsel

Anne Rowley is an immigration attorney who counsels clients on a variety of employment-based visa categories. Anne has over a decade of experience representing foreign nationals and employers in a range of immigrant and nonimmigrant matters, and has supported clients in various industries, including financial services, retail,…

Adriana Robinson

Senior Attorney

Adriana Robinson, Senior Attorney, focuses her practice on family-based immigration and removal defense work. She is dedicated to providing the best representation for her clients. Adriana represents individuals before the U.S. Citizenship and Immigr…

Gianna Borroto

Senior Attorney

Gianna Borroto is a Senior Attorney with over ten years of experience successfully representing clients in complex matters before the immigration courts, U.S. Citizenship and Immigration Services, the Board of Immigration Appeals, federal courts, and U.S. consulates worldwide. She specializes in humanitarian and international protection issues, such as asylum, unaccompanied children’s cases, T and U visas, and removal of INTERPOL Red Notices.

Yeonmi Kang

Senior Attorney

Senior Attorney Yeon Me Kim handles a wide variety of family and employment based non-immigrant and immigrant visa petitions. She provides skilled and steady guidance to clients to help them navigate through challenging immigration processes and achi…

David H. Wetmore

Senior Counsel

David H. Wetmore brings over two decades of high-level litigation, policy, and administrative law experience to his role as Senior Counsel at Grossman Young & Hammond. Prior to joining the firm, David served as the Chief Appellate…

Catherine Walker

Attorney

Catherine Walker is an immigration attorney with a passion for navigating complex immigration matters. Currently based in Miami, Florida, Catherine has specialized in removal defense for people with criminal convictions, including those detained by immigration authorities.

Juliana Carvajal Yepes

Attorney

Juliana Carvajal Yepes is an Attorney at Grossman Young & Hammond where she represents corporate and individual clients on a broad variety of employment-based and family-based immigration matters. Juliana was born and raised in Colombia and continues to have close ties…

Nikki Whetstone

Managing Attorney

Nikki Whetstone is a Senior Attorney at Grossman Young & Hammond where she represents corporate and individual clients on a broad variety of employment-based and family-based immigration matters, including nonimmigrant and immigrant visas…

Sofia Hassander

Global Immigration Counsel

Sofia Hassander is a Swedish-American immigration lawyer who helps business with the full range of business mobility needs, including H-1B, L-1, E-2, O-1, dependent-related visas, and related consular issues. Sofia has extensive experience with…

Jaclyn Dennis

Attorney

Jaclyn Dennis is an attorney passionate about immigration and international law from a human rights perspective. Jaclyn joins Grossman Young & Hammond from the US Department of Labor’s Office of the Solicitor where she advised the Office of Foreign Labor Certification and Bureau of International Labor Affairs on a variety of issues,…

Hallie Cohen

Senior Attorney

Hallie Cohen is a Senior Attorney at Grossman Young & Hammond where her practice focuses on employment-based immigration matters. She counsels clients throughout all stages of the immigration journey, from nonimmigrant classification through naturalization.

Ariel Rawls

Attorney

Ariel Rawls is an Attorney at Grossman Young & Hammond specializing in immigration and international human rights law. Ariel skillfully assists clients in deleting INTERPOL Red Notices and in navigating complex removal proceedings in immigration court.

Valerie Mahoney

Attorney

Valerie Mahoney, an Attorney at Grossman Young & Hammond, specializes in a variety of immigration matters encompassing both employment-based and family-based cases. She possesses experience managing cases in various industries, such as pharmaceuticals…

Marcela Villeda Sanchinelli

Attorney

Marcela Villeda Sanchinelli is an Attorney at Grossman Young & Hammond with experience in family-based, employment-based, and criminal-immigration matters. Marcela assists clients with challenging persecutory INTERPOL Red Notices, complex inadmissibility waivers, and…

Lauren Twist

Counsel

Lauren Twist serves as Counsel for Grossman, Young and Hammond, where she assists clients in a variety of industries with nonimmigrant visa matters and permanent residency. Lauren partners with clients to provide strategic and proactive counsel on a range of nonimmigrant visas,…

Mary E. Pivec

Of Counsel

Mary E. Pivec has counseled employers dealing with government regulations, investigations and enforcement actions. Rated by peers as AV Preeminent in the Martindale Hubble Attorney Survey, Mary is recognized as one of the most experienced and knowledgeable attorneys in the U.S. in the field of immigration-related worksite…

Sheryl Winarick

Of Counsel

Sheryl Winarick is a U.S. immigration lawyer with over 20 years of professional experience. Sheryl creatively helps individuals, families, businesses and organizations maximize their potential in the U.S.

Jason Levy

Counsel

Jason Levy brings nearly three decades of experience advising clients in employment-based, family-based, and citizenship matters and providing counsel on high-impact policy development, litigation…

Charlie Magri

Of Counsel

Charlie Magri is a seasoned lawyer with 6+ years of experience in INTERPOL-related matters, helping individuals and organizations challenge notices and safeguard rights in international cases.

Mark Donig

Of Counsel

Mark Donig is a corporate attorney in Washington, DC, whose practice fuses startup law, venture capital, social impact and international commercial relations and diplomacy.

David Morris

Of Counsel

Based in Washington DC, David Morris has practiced exclusively in immigration law since 1992. For the past 20 years, he has represented foreign investors and regional centers in all aspects of the EB-5 visa…

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