Howard A. Silverman (retired)

Howard A. Silverman was a Partner in the Firm from 1984 to 2018.  During his 34-year career, he was a very active member of the American Immigration Lawyers Association and local liaison committees, and successfully represented countless individuals seeking asylum, defense against deportation, family-based permanent residence, and citizenship.  We wish him all the best in his retirement.


Heidi L. Snyder


Heidi L. Snyder is a Partner with the Firm and has been practicing in the field of immigration and nationality law since 1997. Ms. Snyder's practice is concentrated in business immigration, with particular emphasis on working with multinational corporations, small businesses, start-ups, non-profit organizations, hospitals, universities, architectural firms and design firms. She has extensive experience handling nonimmigrant visa petitions such as H-1B and L-1 petitions, including Blanket L petitions and New Office L petitions. She regularly advises on short term visa options for visitors, as well as visa options and strategies for investors, entrepreneurs and companies seeking to expand into the U.S. market.  In addition to nonimmigrant visa cases, Ms. Snyder handles a high volume of PERM-based permanent residence cases and also has significant experience with permanent residence cases for executives and managers.  She regularly advises employers on issues relating to worksite compliance, including I-9 compliance and unauthorized employment, and has represented employers in H-1B audits by the Department of Labor’s Wage and Hour Division, and in I-9 self-audits. She also consults with clients on matters relating to corporate restructuring and due diligence in mergers and acquisitions, as well as immigration program support and training. 

Ms. Snyder is a member of the American Immigration Lawyers Association (AILA). She has contributed to a Massachusetts Continuing Legal Education (MCLE) publication on the topic of Immigrant and Nonimmigrant Visa Options for Foreign Nurses, and has made several presentations on business immigration law topics, including for MCLE. Ms. Snyder is listed in The Best Lawyers in America and was named by Super Lawyers Magazine as a Massachusetts Super Lawyers Rising Star in the field of immigration law for three years. She is licensed to practice law in Massachusetts.

Rhonda A. Tietjen


Rhonda A. Tietjen is a Partner with the Firm and has been practicing in the field of immigration and nationality law since 1999. Her practice is concentrated in business immigration, working closely with universities, hospitals, and companies in the pharmaceutical, biotech, and IT industries, among others.  Ms. Tietjen and her team provide comprehensive employment-based immigration services, including nonimmigrant visas (H-1Bs, L-1s, TNs, etc.) and permanent residence through PERM labor certifications. She and her team also work extensively on nonimmigrant and immigrant work visas for researchers and scientists, including O-1, EB-1, and National Interest Waiver petitions. In addition, Ms. Tietjen’s practice includes working with physicians on both immigrant and nonimmigrant issues, including advising and overseeing J waiver applications. Furthermore, she advises clients regarding worksite compliance issues, including preparing for and conducting I-9 audits. 

Ms. Tietjen previously practiced immigration law at large corporate law firms in Boston and Washington, DC. Immediately prior to joining the Firm, she spent more than three years as part of the in-house legal department at a biopharmaceutical company located in Cambridge, MA, where she was responsible for a full-service immigration practice, as well as working with issues of employment law, deemed export compliance, I-9 compliance, and various types of contract negotiation. 

Ms. Tietjen is listed in The Best Lawyers in America.  She is an active member of the American Immigration Lawyers Association (AILA), and previously served as the Massachusetts State Workforce Agency Liaison for the New England Chapter of AILA. She is currently a member of the International Medical Graduate Taskforce and NAFSA: Association of International Educators. Ms. Tietjen graduated from Georgetown University Law Center and is licensed to practice law in Massachusetts.

Sinead H. DelRose


Sinead DelRose is an Associate with the Firm. Her practice focuses on business immigration.  Ms. DelRose counsels employers and employees on various nonimmigrant and immigrant processes, including PERM labor certification applications, I-140 immigrant visa petitions, H-1B specialty occupation visas, L-1 intracompany transferee visas, and TN visas, among others.  Prior to joining RSST Law Group, MS. DelRose practiced business immigration at another firm, and also worked in real estate law.

Ms. DelRose is an active member of the American Immigration Lawyers Association (AILA).  She obtained her J.D. from Northeastern University School of Law, and prior to that earned a Bachelor of Laws degree from the University of Surrey in the United Kingdom. Ms. DelRose is licensed to practice law in Massachusetts.


Legal Support Staff

  • Alexandra Senra, Law Clerk | vCard
  • Hassan Bocchicchio-Chaudhri, Senior Legal Assistant | vCard
  • Kate Bennett, Legal Assistant | vCard
  • Ariel Dickerman, Legal Assistant | vCard
  • Lisa Penkul, Legal Assistant | vCard

Administrative Staff

Sally Penney



Sally Penney is RSST Law Group’s Firm Administrator and has been with the firm since 2003.  She is responsible for all aspects of the firm’s operations, including human resources, finance, information systems, facilities, and vendor relations.  She also supports the partners with basic practice management.  Sally obtained a Bachelor’s degree in International Relations and Russian Language & Literature from Boston University.  She is an active member of the Boston Chapter of the Association of Legal Administrators, previously serving as Chair of the Member Recruitment & Relations Committee.

  • Additional administrative support staff