Firm Overview

Main Office
Main Office
13140 Coit Road, Suite 315
Dallas  TX  75240
  • (214) 498-2146

Harry J. Joe

Harry's clients benefit from his more than forty years of experience in immigration and nationality law. For corporate clients, Harry provides support and advice in nonimmigrant visa matters, permanent residence filings, immigration-related corporate compliance issues, due diligence review, and immigration program development. Harry also represents employers in Worksite Enforcement proceedings under the IRCA, and in litigation in the United States Immigration Courts, Board of Immigration Appeals, and Federal District Courts and Court of Appeals. In addition, he appears before the United States Department of Homeland Security, United States Department of State Bureau of Consular Affairs and at U.S. Consuls around the world, and the United States Department of Labor and its Board of Alien Labor Certification Appeals. Harry also brings to bear his considerable experience in assisting US citizen and permanent resident clients seeking to file petitions on behalf of family members.

Awards and Recognition

Board Certified in Immigration and Nationality Law by the Texas Board of Legal Specialization, Harry has been recognized among the top immigration practitioners in the United States.

AV Preeminent rated, Martindale-Hubbell
Best Lawyers in America
Texas Super Lawyer, Texas Monthly
International Who's Who of Corporate Immigration Lawyers
Chambers USA
Trailblazer Award from the National Asian Pacific Bar Association in recognition of his impressive work in the immigration field.

Education and Admissions

Harry received his bachelor's degree from the University of North Texas and his juris doctorate degree from Washington University School of Law in St. Louis.

Memberships and Community Involvement

Harry is an active member of the American Immigration Lawyers Association (AILA). He previously served as the Texas Chapter Chair, served as a Member of the National Board of Governors, and held National Office within the organization. Harry served as an Adjunct Instructor of Law at SMU School of Law from 1982-1994. He is member of the American Bar Association; Dallas Bar Association; Dallas Asian American Bar Association (President, 1999); National Asian Pacific American Bar Association; and serves on the planning committee of the University of Texas School of Law Annual Symposium on Immigration and Nationality Law.

Harry is also a frequent speaker on immigration-related matters at industry conferences.

To contact Harry call 214-389-5700 or send an email to

Rebecca R. Massiatte

Rebecca provides personal and dedicated immigration services to a variety of corporations and individuals as well as to non-profit organizations and educational institutions. Rebecca advises corporate clients on a wide variety of immigrant and non-immigrant matters.

Rebecca provides support with developing strategies for workforce compliance, assisting with due diligence and other immigration issues arising from mergers and acquisitions and addressing and developing I-9 program practices. Corporate clients benefit from her expertise in developing strategies to enable companies to build effective immigration policies and procedures that support business objectives and employee needs. Rebecca also assists individuals in obtaining visas and in the processing of immediate relative green cards and naturalization.

Before starting her immigration practice, Rebecca served as a judicial law clerk for the San Antonio and Harlingen Immigration Courts (EOIR) through the U.S. Department of Justice, Attorney General's Honors Program. Prior to founding JMO, she practiced at prominent national and regional law firms.

Awards and Recognition

Texas Rising Star in the field of Immigration by Texas Monthly magazine (2009-2014)
Chambers USA: America's Leading Lawyers for Business (2013-2014)
International Who's Who of Corporate Immigration Lawyers (2014)

Education and Admissions

Rebecca graduated with honors from Texas State University and holds a master's degree in social work from Washington University in St. Louis. She earned her juris doctorate degree from Washington University School of Law. During her law school tenure, she was a founding member of the Global Studies Law Review and earned recognition for her community service work, for which she was named Public Service Law Student of the Year. Rebecca is admitted to practice in Texas and before the United States Court of Appeals for the Fifth Circuit.

Memberships and Community Involvement

Rebecca is a member of the State Bar of Texas, American Immigration Lawyers Association (AILA), Attorneys Serving the Community (Membership Co-Chair 2011-2014), and is a fellow of the Dallas Association of Young Lawyers.

As an active member of the legal community, Rebecca has served in several prestigious industry groups, including as an appointed Member on the State Bar of Texas Laws Relating to Immigration and Nationality Committee (Member, 2008-2010; Vice Chair, 2010-2011; Chair 2011-2014; Advisory Board Member 2014-2015). Rebecca has served in AILA in various capacities, including: U.S. Citizenship and Immigration Service-Texas Service Center Liaison (2009-2011); Verification and Document Liaison (2011-2012); 2012 National Annual Conference Committee (2011-2012); Co-Coordinator for the Dallas, Texas Section of AILA (2011-2014); and Co-Chair Texas/Oklahoma/New Mexico AILA Chapter Spring 2014 Conference (2014).

Rebecca regularly speaks on immigration issues at industry conferences. She also educates business organizations both large and small, providing training on immigration compliance and assisting in the creation of corporate immigration programs and policies.

To contact Rebecca call 214-389-5700 or send an email to

Kelsey E. O'Keefe

Kelsey focuses on employment and family-based U.S. immigration law, assisting both corporate and individual clients with all aspects of the immigration process. She specializes in nonimmigrant work visas, permanent residency filings and naturalization applications. Kelsey also advises employers in the areas of immigration compliance and best practices, including I-9 issues. Prior to founding JMO, Kelsey practiced immigration and nationality law in the Seattle, Washington offices of top national and regional law firms.

Education and Admissions

Kelsey earned her bachelor's degree from Gonzaga University and her juris doctorate degree from the University of Washington School of Law. She is admitted to practice in Washington State and serves clients across the U.S.

Memberships and Community Involvement

Kelsey is an active member of the American Immigration Lawyers Association (AILA). She has held a number of elected and volunteer positions: Chair, CLE Committee for AILA Washington State Chapter; Chair, Programs Committee for AILA Washington State Chapter; Chair, CBP Liaison Committee for AILA Washington, just to name a few. Kelsey regularly serves as a pro bono attorney on a variety of cases with a focus on victims of domestic violence.

Kelsey is a frequent speaker at immigration conferences, where she enjoys educating professional and industry groups on immigration law issues.

To contact Kelsey call 214-389-5700 or send an email to