Meet the Team

Jeyben Castro Photo

Jeyben Castro serves as the Deputy Director for the Office of Diversity and Inclusion at the U.S. House of Representatives. Created by law during the 116th Congress, the office works to develop and promote best practices for diversity and inclusion in areas such as personnel recruitment, retention, promotion and performance reviews. Mr. Castro leads outreach and engagement strategies to Republican members, committees and other House offices.

Mr. Castro’s prior experience on the Hill includes serving as Outreach Director for the United States Senate Republican Task Force on Hispanic Affairs under Senator Orrin Hatch. In this capacity, he worked with Senate Republican offices to forge strategic alliances with community-based organizations and leaders across the country to address, educate and create solutions to issues impacting the Hispanic community.

In the private sector, Mr. Castro’s experience includes developing community-based initiatives and strengthening Hispanic engagement as a Senior Community Engagement Manager for a public utilities company and promoting corporate citizenship as a Public Affairs Manager for a Fortune 500 company.

A strong believe in public service and civic engagement, Mr. Castro proudly served ten years in the U.S. Navy and in 2012 joined the Republican National Committee as one of six Hispanic Outreach Directors in charge of the Hispanic Vote for the Presidential election. In 2013, Mr. Castro joined the team at Leadership Institute (LI), one of the nation’s premier organizations responsible for training activists, students and leaders. 

Mr. Castro was born in El Sauce, Nicaragua and migrated to Miami, Florida when he was ten years old. He serves as a board member of the Latino Student Fund and the Cisneros Hispanic Leadership Institute at George Washington University. He currently lives in Virginia and is a graduate of George Mason University.

Rachel HeadshotRachel Dubin is the Research & Data Analyst in the Office of Diversity and Inclusion. Previously, she was a senior Research Associate at the Institute for Defense Analyses, a Federally Funded Research and Development Center in Alexandria, VA, where she worked on various topics, including workplace dynamics, diversity and inclusion, and sexual misconduct. She holds an MA in International Affairs from the George Washington University and a BA with Distinction and Honors in Political Science with Russian language from Goucher College. She is a member of Phi Beta Kappa and speaks, reads, and writes Russian and French. She is the recipient of several advocacy awards.

At age 11, Rachel testified before the United States Congress in support of funding for deafness research. She has provided testimony to the Maryland State Legislature and the Council of the District of Columbia on deafness-related issues, and is often called upon to review accessibility accommodations for the deaf and hard of hearing community. She is profoundly deaf and hears with cochlear implants, which she received as an adult.



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Kristina Aleksander is the communications manager for the House Office of Diversity and Inclusion, where she directs the office’s digital and social media presence. Prior to this role Kristina served as a digital fellow in House Majority Leader Steny Hoyer’s office and as a communications specialist in the Iowa Secretary of State’s office, leading numerous efforts designed to increase voter participation among young people. Kristina is a graduate of Wartburg College, where she majored in political science and communication arts. She is currently pursuing a master’s degree in Political Management from George Washington University. Originally from Belgrade, Serbia, Kristina is fluent in South Slavic languages and French.




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Diego Zambrano currently serves as the Professional Staff Member for the House of Representatives Office of Diversity and Inclusion. Experienced in promoting diversity in our nation’s capital, Zambrano was previously Deputy Director and Vice President of Programs at the Congressional Hispanic Leadership Institute. Zambrano’s work in Congress began in the office of former U.S. Rep. Ileana Ros-Lehtinen where he served as Director of Community Engagement. He is a graduate of Florida International University and holds a Masters of Public Administration from the University of Miami.




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Katrina Oshima serves as the Professional Staffer with the U.S. House of Representatives’ newly established Office of Diversity and Inclusion. Prior to joining the House, she worked in Mozambique with Peace Corps as a Community Health Services Promoter, where she led a national girls youth club network aimed at educating and empowering young girls. She graduated from the University of California, Berkeley with a bachelor’s degree in Peace & Conflict Studies in 2017.




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Ednise Sainval is the Operations Manager with the U.S. House of Representatives Office of Diversity and Inclusion. She was born in Haiti and grew up in the U.S. Her professional experience spans education, housing, consulting, and public policy, which embodies her passion for social development and equity. Ednise holds an M.A. with honors in Global Affairs with a concentration in Global Risk and Corporate Responsibility and a B.A. in Political Science and International Relations with certificates in National Security and Latin American and Caribbean Studies from Florida International University. She is a proud member of Phi Kappa Phi, Sigma Iota Rho, and Omicron Delta Kappa honor societies.