Our Staff

Paul D. Gresk

Mr. Gresk is a founding partner of the firm.  He is a former executive assistance to U.S. Senator Richard G. Lugar. As “Abagado Pablo” he hosts a daily radio call-in show on Radio Latina 107.1 fm, and 810 am in which he answers call-in U.S. immigration questions. He is a graduate of Indiana University’s School of Law (J.D. 1979) and of its Graduate School of Business (M.B.A. 1978). He is a former Indiana Chapter Chair of the American Immigration Lawyers’ Association and has been speaker at numerous local, state and national conferences.

Catherine A. Singleton

Ms. Singleton is a founding partner of the firm.  Formerly a teacher of romance languages at the secondary and university level, she has studied at five foreign universities in Western Europe and Egypt.  She has an exclusive concentration in the practice of U.S. immigration law and has supervised the processing of more than 25,000 applications and petitions.

Joseph W. Murphy

A brilliant practitioner, Mr. Murphy specializes as the firm’s legal writer and researcher, and he handles our complex immigration, family law, and bankruptcy cases. He has a concentration in the evaluation of the immigration consequences of a criminal conviction and immigration appellate work.  He is a graduate of Georgetown University’s School of Foreign Service and is a cum laude graduate of Indiana University’s School of Law-Indianapolis. He speaks Spanish and German and has a reading knowledge of the Russian language. He has been the author of numerous briefs that have prevailed in the federal courts. He is also a former two-day winner on the nationally syndicated television game show “Jeopardy”.

Laura E. Shepard

A graduate of the University of Kentucky School of Law, she has been practicing solely in the area of immigration law with this firm since 2005. During this time, Laura has assisted  hundreds of clients through the immigration process. She has a concentration in preparing immigrant consular processing cases and has established an expertise in the preparation of extreme hardship waivers. Due to the large number of immigrant consular processing cases that she has filed with the U.S. consulates in Ciudad Juarez, Mexico and other Central American countries, Laura has developed a comfortable familiarity with the filing requirements and procedures of these consulates. She also prepares  employment based nonimmigrant visa petitions and permanent labor certification throught the new PERM system. Born and raised in eastern Kentucky, Laura is proud to bring a “southern charm” to the Gresk and Singleton family. 

David E. Cook

A renowned criminal attorney, Mr. Cook practices exclusively criminal defense law. Recognized as one of Indiana’s best criminal law attorneys he is the former director of the Offices of the Marion County Public Defenders (1995 through 2008), he was the a former Chief Trial Deputy, Marion County Prosecutor’s Office and he is an Adjunct Professor, Indiana School of Law. During his career he has either defended or prosecuted the accused in 13 death penalty cases. His practice brings U.S. immigration law and criminal law together when the accused is not an U.S. citizen.

 Randolph A. Leerkamp

With over 25 years of experience, Mr. Leerkamp provides civil litigation services. He represents the interests of those who have been injured by another or in collecting money for debts owed. He has years of experience in the court room, in the practice of civil law, and in his representation of clients who seek the collection of damages for harm done by others.

Lauren E. Grizzard

Ms. Grizzard practices primarily in consumer bankruptcy law and is the main attorney in the firm’s upcoming Greenfield office. She works in the immigration department as well by preparing nonimmigrant U visa petitions for victims of crims and their qualifying family members. She graduated summa cum laude from Indiana University School of Law – Indianapolis in 2010 and valedictorian from Centre College in 2007 with a B.A. in Government and Spanish. While in law school, she won the 2009 Papke Prize for best student law review note in the Indiana Law Review.

Keri M. Gresk

A recent graduate of Indiana University’s School of Law-Indianapolis, she now works as a law clerk with the firm’s bankruptcy department after assisting the office since 2000 in the preparation of immigration cases and bankruptcy filings. She has a B.A. in History and Spanish from Indiana University and now concentrates in  debtor and trustee bankruptcy and the preparation and processing of immigration applications. During her last year of law school she successfully prepared and presented an asylum case on behalf of a Burmese woman at the Executive Office for Immigration Review.