Vincent Osaghae, M.B.A., CIA, CPA

Vincent is a professor of Accounting in the College of Business at Chicago State University, (CSU) where he has been a member of the faculty since 1989. Prior to joining the faculty at CSU, Mr. Osaghae was the Capital Project Accountant at the Field Museum of Natural History and taught at various business institutions in Chicago.

He earned a B.S. in Accounting from Chicago State University and an M.B.A. from Governors State University where he was also a visiting Professor in 1993. He is a Certified Internal Auditor and holds a CPA certificate in the state of Illinois. Mr. Osaghae is a speaker for the Boy Scouts of America’s “In-School Exploring Career Awareness Program,” a program that provides the young men and women of Chicago high schools with positive role models and alternatives.

An avid marathon runner, Mr. Osaghae goes the extra mile to serve and satisfy his clients. Mr. Osaghae is a member of the Illinois CPA Society and American Institute of Certified Public Accountants.


Jauhar Fateen
Jauhar is integral to our growth and operation. She is unquestionably professional, detailed and a steady hand as she manages staff, and oversees the daily operations of our firm. She exudes confidence and her service to our clients is excellent. Jauhar has been with our firm for over 17 years. She holds a bachelor’s in accounting from Chicago State University and is working towards her Masters in Accounting at Western Governors University.


Njundu Sillah
Njundu brings over 20 years of accounting and finance – 13 of which he has, and continues to, at our firm. He works out of both our Chicago and our Indiana offices to better serve our clients. Every day he continues to brighten our firm with his enthusiasm and exuberance while providing excellent services to our clients. Njundu holds his MBA and MACC from Purdue University Northwest, Indiana.


Professor Janet L. Grange, J.D.
Janet is a practicing Certified Public Accountant with a B.S. in Accounting from the University of Illinois, Chicago and Juris Doctor degree from the University of Illinois at Champaign-Urbana. Janet is a tenured Associate Professor of Accounting in the College of Business at Chicago State University. Since 1991, Janet has been teaching accounting courses including Federal Income Tax, Advanced Federal Income Tax, Business Law, Legal Environment of Business, Intermediate Accounting and Financial Accounting at Chicago State University. Before teaching at Chicago State University, she worked at Grant Thornton (formerly, Alexander Grant & Co.) and Deloitte and Touché (formerly, Deloitte Haskins & Sells). Janet brings to our firm expert tax laws and accounting and business management experience.



Eileen Klees
Eileen holds a degree in Business Administration from the University of Illinois, Chicago. Eileen joined our firm in 2016 and has lived in the Morgan Park community of Chicago for over 30 years. Eileen brings extensive experience using accounting software across multiple platforms in a broad range of industries. These include manufacturing, not-for-profit, services, union hall, law, construction, and retail. Her client work comprises accounting, payroll, inventory, and business tax issues. 


Melanie Ortega
Melanie is an alumnus of Chicago State University and is working on her Bachelors’s in Accounting. Melanie, for the past 10 years, is an accountant in our Indiana office. She loves her work and is honored to help our clients thrive and succeed. She spends her spare time dancing and with family.


Osasu Osaghae
Osasu is an undergraduate accounting student at Governors State University. He has been an intern at our firm since high school. He assists staff accountants with tax preparation and updating clients’ accounting records in accordance with accounting principles.


Mary Ann Huizenga
Mary Ann joined Osaghae and Associates, Ltd. in June 2019 bringing over 15 years of experience providing outstanding customer care. As the Administrative Assistant and Client Service Representative, she’s always willing to help and provides support to our clients and staff. Mary Ann and her family reside locally and enjoy all the wonderful events, restaurants, and small businesses that this southside neighborhood has to offer. In her spare time, she loves to be outdoors hiking or cycling and volunteers as a religious education teacher.  


Raquel Velasquez
Raquel comes to us with over 10 years of customer service and administrative experience.  She is the second friendly face you will see in our Chicago office location. On her time off she works as a liaison and marketer for her family-owned Ice Cream shop. When she’s not working, she’s watching cheesy romance movies, listening to Audible, or having an adventure at our local parks and forests.