About International Student Services

About the ISS

International Student Services serves prospective and current F-1 visa students. ISS reviews applications for admission for prospective F-1 students and provides general immigration advice for F-1 students.


Naomi M. Greelis-Mattos
PDSO and coordinator of International Student Services

Naomi Greelis-Mattos has been assisting international students in various capacities since 1999. She received her master's degree in intercultural relations with a focus in higher education administration - student affairs - international education exchange from Lesley University. Greelis-Mattos holds a bachelor's degree in International Studies and a second bachelor's degree in Anthropology and Sociology from Central College. She enjoys helping F-1 students succeed in their personal and educational goals at Metropolitan Community College.

Ernestine F. Hawkins
DSO and International Student Services associate

Ernestine Hawkins is a graduate of Metropolitan Community College. She's worked with international students for more than 11 years. During her 18 years at MCC, Hawkins has worked as a receptionist in Counseling/Advising and as a staff member in Central Registration. She worked in Enrollment Management and assisted with the process of reviewing international students' files and processing I-20s. Hawkins also worked in Admissions to admit students into various health programs.

Michele L. Sanchez
DSO and International Student Services specialist
(contact for insurance questions)

Michele Sanchez studied international business and Japanese language studies at the University of Iowa and has worked with international students since 2007. She has studied abroad in a small island city in Japan and worked abroad as an English teacher in Nagano, Japan. Sanchez enjoys meeting students from other countries and learning about their cultures, and most importantly strives to assist them with meeting their academic goals while in the United States. Some of her hobbies include running, swimming, hiking, and loves to be active outdoors. 

Claire-Marie Knaudt
International Student Services clerk

Claire-Marie Knaudt is an international student from Germany working on her associate's degree in General Studies with a prefix in Communication and Psychology. She pursed a work-study degree in Tourism in the country of Luxembourg and was working with international clients and traveling all over the world.

Julio Cajas Erazo
International Student Services clerk

Julio Cajas Erazo graduated from the University of Nebraska at Omaha with a master's degree in Exercise Science. He has worked in different fields while pursing his degree. He is a current international student from Ecuador working on finishing his master's in Business Administration after he completes his program at Metropolitan Community College.

Cajas Erazo has worked and volunteered with a wide number of cultures and ethnicities throughout his career. While working at the University of Nebraska at Omaha, he provided excellent services for students and staff in the injury prevention and care field. He also participated in programs at the YMCA by providing support to members of the community.