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About Us

Our Team



Charlene Gladney, Executive Director, 336-223-4595

Charlene is a native of Greensboro, North Carolina and a graduate of North Carolina State University with a bachelor of science in electrical engineering. She continued her studies at North Carolina A&T State University where she earned a master’s degree in electrical engineering. Following her time at NC A&T, Charlene moved to Rochester, New York, where she began her career at Xerox Corporation. She spent 20 years in various corporate positions ranging from systems design to project and people management. She also volunteered as a tutor, mentor, Girl Scout leader and Sunday school teacher.  In 2007, Charlene took a leap of faith and entered the nonprofit world as executive director of Operation Homework, now Operation Xcel. As a nonprofit executive she has completed certification through the Nonprofit Management Institute and The Executive Director Academy. She has also been certified in the afterschool sector by NCSU and the NC Center of Afterschool Program completing the Leadership Fellowship Program.

Marisela Aviles, Executive Assistant, 336-223-4652

Marisela is from Los Angeles, California. She attended Greensboro College and obtained her bachelor’s degree in business administration and economics with a concentration in human resources. She is currently pursuing an accounting degree in conjunction with her role at Operation Xcel. Marisela has two children. Her favorite family activity is baking.

Kamikaze Sabune, Program Director, 336-223-4697

Kamikazi Sabune-Sheriff is the Program Director for Operation Xcel. Kamikazi has over 25 years’ experience serving children and families in New York and New Jersey. She has experience in social work, early education, and management. Kamikazi has achieved successful outcomes through education, empowering, mentoring, and advocating for children and their families.

Derly Daza – Site Director, Jackson Middle School
336-223-4972 option 2

Derly is originally from Colombia and has worked in the United States for more than 11 years. She has a master’s in Spanish and English as a second language and is currently a middle school Spanish teacher. Derly is actively pursuing her PhD in education. She volunteers at Glenwood Library, where she teaches Spanish and is a soccer coach at the YMCA. Derly is passionate about making an impact in the lives of children and loves watching their progress. “I feel honored to be part of the personal and academic growth of our students,” she said.

Ms. Regina Jackson - Operation Xcel Site Director: High Point, 336-223-4972 ext 1
M.Ed. Elementary Education - STEM

Regina Jackson knew from a very young age that teaching was her passion and purpose. She always prides herself in being a student first and then a teacher. Born and Raised in Paterson, NJ she transitioned to High Point, NC to obtain her Bachelors Degree in Elementary Education and Masters Degree in STEM Education from High Point University. This is her 6th year at Operation Xcel and her 3rd year teaching with Guilford County Schools. Regina began at Operation Xcel as a volunteer with High Point University’s Tutor Club in 2015. From there she transitioned to a tutor and then Site Director. Over the years she has built lasting relationships with her students and has continued to maintain these relationships into their high school careers. She loves math and science and hopes to encourage students to be problem solvers, activists and innovators. Booker T Washington once said, “Excellence is to do a common thing in an uncommon way”, it is her goal to exemplify this daily.

Precious Sidbury - Site Director, Operation Xcel; Swann Middle School

Precious Sidbury is from Charlotte, North Carolina. She has resided in Greensboro for almost three years now. She received her BA in English from Livingstone College and she is now pursuing her Masters in Education from NC State University. She is passionate about working with students and families and striving to make a difference and positive impact in their lives. When she isn’t at work, she enjoys traveling, catching up on shows, new movies and spending time with friends and family.

 Favorite Quotes:

 “Even the impossible is possible”

“She believed she could, so she did”


Board of Directors

Timothy Buroff, Board Chair – Connect on LinkedIn
Michael Pearson, Secretary – Connect on LinkedIn
Patricia J. Price, Treasurer – Connect on LinkedIn
Julie Starnes, Community Member
Alana Allen, Community Member – Connect on LinkedIn 
Steven Palcsak, Community Member – Connect on LinkedIn
David Roth, Community Member – Connect on LinkedIn
Ronice Johnson-Guy, Fundraising Chair
Charlene Gladney, Ex-Officio Member

In addition to the leadership teams above, we employ certified teachers as math and reading specialist and tutors. We also employee paraprofessionals and an A-level volunteer staff.