Tulsa, Oklahoma Immigration Attorneys & Staff
Varied backgrounds for the diverse needs of individuals and businesses
The cultural mix among the attorneys and staff at Leblang, Mawby, & Litz in Tulsa reflects the firm’s passion for opportunity and immigration rights in the United States. Of the five lawyers at the firm, three come from states other than Oklahoma. The other two attorneys went through the immigration process themselves, one arriving from Iceland and the other from Iran. One staff member is a native of Brazil. Languages spoken at the firm include Spanish, Portuguese, Japanese, Icelandic and Farsi.
Learn more about dedicated immigration and business attorneys at Leblang, Mawby, & Litz:
Meet the firm’s talented support staff:
Partner with knowledgeable immigration lawyers in Tulsa
The legal team at Leblang, Mawby, & Litz is dedicated to facilitating personal and commercial opportunities in the Tulsa area. They help individuals and businesses achieve their immigration goals. To discuss your objectives with an experienced Oklahoma immigration attorney, contact the firm online or call (877) 847-2529.
Attorneys
Mark J. Leblang, Founder 
Practice areas
Education
Admitted to practice
- Oklahoma, 1977
- U.S. District Court, Northern District of Oklahoma
- U.S. Court of Appeals, 10th Circuit
Bar associations
Memberships and affiliations
Awards and honors
Born
- Fort Dix, New Jersey, 1953
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Nina Mawby, Owner 
Practice areas
Education
Admitted to practice
Bar associations
Professional memberships
Languages
Born
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Brian Buie, Associate 
Practice areas
Education
Admitted to practice
Bar associations
Memberships
Publications
Volunteering
Born
- Camp LeJeune, North Carolina, 1976
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Kevin Y. Litz, Of Counsel 
Practice areas
- International trade, distribution and compliance
- Litigation — international and domestic
- General corporate
- Commercial law
Education
- University of Utah, J.D., 1989
- Magister of Phi Delta Phi
- Utah State University, B.A., cum laude, 1986
Admitted to practice
- Oklahoma, 1989
- U.S. District Court, Northern District of Oklahoma, 1989
- U.S. Supreme Court, 1994
- U.S. District Court, Eastern and Western Districts of Oklahoma, 1994
Previous positions
- Hall, Estill, Hardwick, Gable, Golden & Nelson, PC, Oklahoma
Bar associations
Memberships
- United States Department of Commerce, Oklahoma District Export Council
Awards and honors
Teaching
- Northeastern State University, Instructor of International Legal Environment, 2005 – present
- “International Legal Considerations”
- “Export Controls Documentation”
- “International Trade Compliance”
- Tulsa Junior College, Adjunct Professor of Civil Procedure, 1992 – 1995
- “Environmental Law for Non-Lawyers”
- “Effective Utilization of Legal Assistants”
Seminars and presentations
Languages
Born
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Ari Varshosaz, Of Counsel 
Practice areas
- Immigration law
- Criminal defense
- Traffic law
Education
- University of Tulsa, J.D., 2005
- Phi Delta Phi
- Tulsa Comparative and International Law Journal
- University of Central Oklahoma, B.A. in Business Administration and Legal Studies, 2002
- Dean’s Honor Roll, 2001 – 2002
Admitted to practice
Bar associations
Memberships
- American Immigration Lawyers Association
Previous positions
- Law Firm of Johnny Albert, Oklahoma City, OK
Reported cases
- Tuffy's, Inc. v. City of Oklahoma City, OK 4 Oklahoma Supreme Court, 212 p.3d 1158 2009
Languages
Born
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Legal staff
Anthony Richardson, Controller 
Anthony joined Leblang, Mawby, & Litz in March 2011. His responsibilities include managing company finances, overseeing the human resources department, all accounting functions and overall management of the day-to-day functions of the firm.
Sherry Bearden, Paralegal 
Sherry has been a paralegal for 30 years and was certified as a paralegal by the National Association of Legal Assistants in 1989. She has been with Leblang, Mawby, & Litz for more than 15 years. Her primary area of practice is non-immigrant visas, including H-1 and L-1 visas.
Michele Gill, Paralegal 
Michele has worked for the firm as a paralegal for 11 years. She primarily handles employment-based Green Card applications, including labor certification applications, I-140 visa petitions and I-485 filings.
Llanny Wheeler, Paralegal 
Llanny has been with Leblang, Mawby, & Litz for more than seven years. She is the paralegal in charge of family-based cases, which include petitions for relatives, citizenship applications, fiancé visas, K-3 visas, religious worker visas, consular processing and translations. She is fluent in Spanish.
Ricardo Malfacini, Administrative Assistant 
Ricardo is a native of Brazil and joined Leblang, Mawby, & Litz in 2001. He has worked in several administrative departments within the firm and currently focuses on H-1B visas.
Helena Mawby, Receptionist 
Helena joined the firm in 2011 and handles all receptionist duties, providing a vital link in the communication between clients and attorneys.
Sarah Myrick, Office Assistant 
Sarah joined the firm in 2012 and handles all receptionist duties, providing a vital link in the communication between clients and attorneys.
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