Experienced Staffing

One of the key reasons Landau, Hess, Simon, Choi & Doebley can offer the best possible service in immigration law is the expertise of our staff. Our senior staff offer years of experienced and unparalleled support for our business and individual immigration clients. In addition, each year we bring in new staff from the best universities in the country who provide energy and new ideas to complement our experienced staffers.

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Benjamin Herman

Managing Director | PERM Lead

Phone: 215-925-0705 ext. 0234
Fax: 215-925-5105

As Managing Director, Ben oversees all business processes firm-wide, including H.R., Finance, Information Systems, and Operations, and he works directly with legal technology, ensuring that the firm remains well positioned with regard to emerging tech. In addition, Ben continues to work on PERM Labor Certifications under managing partner Nicole Simon, as he has done since 2010. He also has experience with H-1B and L-1 nonimmigrant visa petitions, family-based permanent residence proceedings, and naturalization applications.

He has been with the firm since 2008. He graduated from Haverford College in 2006 with a Bachelor’s degree in Philosophy, and studied Computer Science at Drexel University.

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Cheyenne Lash

Law Clerk & Notary Public

Phone: 215-925-0705 ext. 0229
Fax: 215-925-5105

As Law Clerk to Yuah Jessica Choi and Notary Public for the firm, Cheyenne helps clients with various nonimmigrant visas including H-1B, L-1, TN, and R-1 as well as employment (including PERM Labor Certification Application process, EB-1C Petitions, and I-360 Petitions) and family-based permanent residence and naturalization. She has been with the firm since 2018, and graduated from Temple University in 2015 with a Bachelor’s degree in Media Studies and Production. Cheyenne also holds an ABA-approved Paralegal Studies Certificate from the Community College of Philadelphia. Currently, Cheyenne is an evening division student at Widener University Delaware Law School.

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Bettina Nelson

Bookkeeper & Administrative Coordinator

Phone: 215-925-0705 ext. 3821
Fax: 215-925-5105

As Bookkeeper and Admin Coordinator, Bettina handles the firm’s day-to-day accounting duties including all Accounts Payable, Accounts Receivable, Payroll Processing, Retirement Contributions, Financial Reporting, and internal auditing. Bettina has over nine years’ experience as a bookkeeper.

She has been with the firm since 2020. Bettina graduated from the Pennsylvania Academy of Fine Arts in 2013 with a bachelor’s degree in Painting. She received a Bookkeeping Certificate from the Community College of Philadelphia in 2017, where she continues to study Accounting.

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Colman Cumberland

Senior Legal Assistant

Phone: 215-925-0705 ext. 3605
Fax: 215-925-5105

As Senior Legal Assistant to Wendy Castor Hess, Colman works across a range of family-based, employment-based, and humanitarian immigration matters, including adjustment of status applications, immigrant petitions, consular processing, U visas, and waivers of inadmissibility. Fluent in Spanish, Colman assists all of Wendy’s Spanish-speaking clients and works directly with the Mexican Consulate in Philadelphia to connect Mexican nationals with support for their cases. They are also experienced in working with researchers, scientists, and academics to prepare National Interest Waivers, EB-1 immigrant petitions for outstanding professors, and O-1 nonimmigrant petitions for individuals of extraordinary ability.

Colman has been with the firm since 2021, and graduated cum laude from Temple University in 2018 with a Bachelor’s degree in Political Science and Spanish. After college, they went on to serve as a Fulbright García–Robles Grantee from 2018 to 2019, where they taught English at the university-level in Mexico City, Mexico.

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Allie Chabrak

Senior Legal Assistant

Phone: 215-925-0705 ext. 0536
Fax: 215-925-5105

As a Senior Legal Assistant to Yuah Jessica Choi, Allie assists clients with various employment-based nonimmigrant visa petitions and applications, including H-1B, L-1, TN, E-3, and H-1B1. She also assists with Firm-wide initiatives, such as LHSCD’s Diversity, Equity and Inclusion committee and employee recognition and engagement. Allie has been with the Firm since 2022. Originally from New Jersey, she graduated Cum Laude from Temple University in 2021 with a Bachelor of Arts degree in Criminal Justice and Political Science.

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Jacquelyn Nava

Senior Legal Assistant

Phone: 215-925-0705 ext. 4424
Fax: 215-925-5105

As Senior Legal Assistant to Emma Tuohy, Jacquelyn primarily works on removal defense cases, including asylum, cancellation of removal, and adjustment of status applications. Jacquelyn assists clients in gathering all necessary evidence for each individual claim to ensure a pathway to permanent residency. She also has experience with submissions to the Board of Immigration Appeals (BIA), Freedom of Information Act (FOIA) requests, humanitarian-based applications, immigrant petitions, affidavits, and naturalization matters. Jacquelyn is bilingual and assists most of Emma’s Spanish-speaking clients.

Jacquelyn has been with the firm since 2022. She graduated cum laude from Immaculata University in 2019 with a Bachelor’s degree in Spanish & Psychology and a minor in American & British Literature. After graduating, she went on to work as a Case Manager at non-profit organizations in the local Philadelphia area such as Maternity Care Coalition and Nationalities Service Center which assist low-income families with young children and the immigrant and refugee communities, respectively. Jacquelyn is a Philadelphia native.