I am a Partner at Landau, Hess, Simon, Choi & Doebley, with over 20 years of experience working exclusively in immigration law.I have been successful in obtaining visas and permanent U.S. residence for highly-trained individuals in fields such as international business, medicine and biomedical research, nursing, information technology and related fields, engineering, high-level mathematical research, finance and accounting, and other in-demand professions.My primary concentration is employment-based immigration, including: H, L, O, and E temporary visas; outstanding researcher, extraordinary ability, and multinational executive/manager petitions; National Interest Waiver petitions; PERM labor certifications; and employer immigration compliance issues, including H-1B/H-1B1 visa program compliance, I-9 compliance/audits and E-Verify.I also have expertise with all types of family-based and individual immigration matters including: marriage-based petitions, parent-child petitions, sibling petitions, and family-based consular processing applications; Naturalization (U.S. citizenship), and administrative appeals.I have authored articles for and lectured at continuing legal education programs for the Pennsylvania Bar Institute, and I have created materials for presentations given to attorneys at the U.S. Department of Justice. I have also provided case/client management advice on a consulting basis to immigration divisions of other law firms.I am active in the Cheltenham (PA) Little League organization and with Mid-Atlantic Connection for PKU and Allied Disorders (MACPAD), a non-profit 501(c)(3) organization, dedicated to improving the health and well-being of individuals and families affected by Phenylketonuria (PKU) and related metabolic disorders.Specialties: Nonimmigrant Visa Categories: B-1/B-2, E-1/E-2, H-1B/H-1B1, K-1/K-3, L-1A/L-1B, O-1, R-1.Immigrant Visa Categories: EB-1, EB-2, EB-3, NIW, Religious Workers, all family-based categories, DV lottery.Other: I-9, E-Verify, Naturalization