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LEADERSHIP & STAFF

Concentric brings +150 years of combined experience in education to the table.

Concentric is committed to placing Professional Student Advocates in schools who reflect the communities we serve and respond to the need for more Black male educators. Of the staff members we employ:
48% are African-American Males
56% are HBCU Graduates

MEET THE TEAM

Dr. David Heiber

Founder & CEO

Dr. Michael Gary Jr.

Chief Information Officer

Monique Debi

Chief Academic Officer

Alejandro Jones

Chief Operations Officer

 
Anthony Morris

Director of School Support and Behavioral Services

Olivia Lo

Director of Teaching
and Learning

Chanda McPherson

Director of Human Resources | Regional Lead Michigan

Aaris Johnson

Home Visit
Coordinator

Andreana Alexander

Building Lead

Miles Armstrong

Building Lead

Julian Blake

Building Lead

Nisa Campbell-Christie

Building Lead

Kathryn Crigler

Building Lead

Andrew Gnagey

Building Lead

Corey Goodwin

Building Lead

La’neir Haines

Building Lead

Dominick Justino

Building Lead

Kevin Lozado

Building Lead

Chaz Morton

Building Lead

Brittany Ross

Building Lead

Carlton Smith

Building Lead

Rodney Sparks

Building Lead

Alfred Turner

Building Lead

Justin Vasquez

Building Lead

Evalyn Waller

Building Lead

Dr. David Heiber

Founder & CEO

Dr. David Heiber is the founder and executive director of Concentric Educational Solutions (CES). Under Dr. Heiber’s leadership, CES has been recognized for its innovative approach that places support of the whole student at the center of the educational experience. Dr. Heiber and his team have partnered with over 100 schools in 20 states.


Dr. Heiber’s personal story of grief, poverty, incarceration, and redemption motivates his work. His past provides a means for him to connect with students and challenge them to recognize their potential, honor their promise, and fulfill their purpose.


Dr. Heiber graduated from Lincoln University in Pennsylvania with a triple major. He went on to receive his Master of Arts in African American studies from Temple University and his Doctorate of Education from Morgan State University in urban education.

Dr. Michael Gary Jr., Chief Information Officer

Dr. Michael Gary Jr. has thirteen years of experience in higher education and made the transition to serving K-12 education in 2018. Throughout his career, Dr. Gary has established a reputation as a transformational leader skillful in establishing student program models, procedures, and initiatives within education that are focused on furthering standards of excellence. His expertise encompasses all aspects of student support programs oversight and expansion as well as streamlining operational systems that effectively enhance student support performance.

Dr. Gary has extensive knowledge in student retention and enrollment growth strategy development, diversity and inclusion program implementation, and continuous improvement initiative planning that is centered on creating positive and vivacious school-based communities. He has the ability to build consensus amongst stakeholders and administrators as well as meet the diverse needs of student populations and influence positive change.

A native of Philadelphia, PA, Dr. Gary was educated at Lincoln University of Pennsylvania where he received a B.S. in Computer Science and the University of Massachusetts, Amherst where he received a M. Ed. in Higher Education Administration. Dr. Gary completed his doctoral studies in Educational Leadership at Mercer University. Michael is happily married to Laronda Stevens Gary and together they have a son, Michael Tripp Gary III.

Monique Debi

Chief Academic Officer

Monique Debi is an accomplished educator with over 15 years of experience in increasing student achievement, developing rigorous curriculum, implementing innovative leadership practices, and promoting a quality and equitable educational experience for all stakeholders. She is a motivational leader, skilled in actualizing compelling visions, strategic planning, data-based decision making, designing and facilitating professional development. As a visionary leader, Monique has an extensive history of collaborating with families and communities in addition to community organizations.

Ms. Debi is a Baltimore City Teaching Residency alumna and holds a B.A. in History from Morgan State University and a Masters in the Art of Teaching (MAT) in Elementary Education from Johns Hopkins University.

Ms. Debi has served as an elementary/middle school teacher, assistant principal, principal, and director of literacy. She is currently a doctoral candidate at Walden University.

Alejandro Jones

DIRECTOR OF OPERATIONS

Alejandro was born and raised in Los Angeles. He graduated from Lincoln University in 2014 with a Bachelor of Science in Political Science. Alejandro works as a Professional Student Advocate for Concentric where he assists students with standardized assessments. He also mentors and tutors students one on one and in small groups to help assess short and long-term academic goals, provide individualized learning support,  and develop self-awareness. Alejandro enjoys spending summers volunteering as a camp counselor and youth baseball coach.

Anthony Morris

Director of School Support & Behavioral Services

Anthony Morris is a native of Brooklyn, N.Y. He is currently enrolled at the University of the District of Columbia pursuing his master’s degree in rehabilitation counseling with a concentration in mental health. Serving in the role as the Director of School Support & Behavioral Services for Concentric Educational Solutions, Anthony enjoys mentoring students to improve their academic and attendance goals, developing the leadership capacity of Professional Student Advocates, and creating the conditions conducive to student success. Anthony is passionate about his work with students because he knows that his work is helping to build and improve our society.

Olivia Lo

Director of Teaching and Learning

Olivia received a B.S. in Health Policy and Management and holds a Master of Science in Education from Johns Hopkins University. She is a certified educator and works as the Director of Teaching and Learning for Concentric Educational Solutions. Olivia believes that strengths-based work, communication, and relationships form the core foundation of success, whether that is cultivating bonds between teachers and parents, teachers and students, or among colleagues. She is a strong believer in the CASEL framework and ensuring that students develop social responsibility to become independent thinkers and real-world contributors.

Chanda McPherson

Regional Lead | Michigan

Chanda McPherson is a native of Detroit, MI. She graduated from Michigan State University with a Bachelor of Arts in Communication, Public Relations in 2012. In 2018 Chanda obtained her Master of Science in Administration, Human Resources from Central Michigan University. Chanda has over eight years of leadership experience in the areas of customer service and Human Resources. 

Aaris Johnson

Home Visit Coordinator

Aaris U. Johnson, moved to Baltimore, Maryland from his hometown of Washington, DC to attend Morgan State University where he obtained a Bachelor of Science in Physical Education. Aaris started his career as a teacher at a charter school before joining Baltimore City Public Schools. He eventually became a school administrator and started a college readiness program. 

Aaris is an educator, minister, educator, and social entrepreneur who has a passion for people. He has and will continue to dedicate his life to serving others, especially the residents of Baltimore, most of all the youth. In addition to this, he is also motivated by his wife and children. His life’s motto is “Lifting as we climb.”

Andreana Alexander

Building Lead

My name is Andreana Alexander; my students call me Ms. A. I was born and raised in Baltimore City. I attended the prominent Baltimore School for the Arts and majored in dance. My true passion is dance, whether it is classical, hip hop or anything in between. I am a proud graduate of Coppin State University. Go Eagles! I received my Bachelors of Science in Early Childhood Human Development. I began my education career as an assistant at Holy Angels Catholic School. Later, I became a Kindergarten teacher. It turns out teaching is my true calling. I chose to shift into tutoring and mentoring to help students that may find literacy or math challenging. I want children to fall in love with education again and be able to embrace every challenge that it has to offer.

Miles Armstrong

BUILDING LEAD

Miles Armstrong is an educator and coach from Baltimore, Maryland. For the last five years, he has worked directly with public schools in Baltimore to ensure students receive the proper access and skillset training to follow their dreams, passions, and purpose. Over the past two years, he has also worked as a consultant in corporate America, facilitating dialogue on diversity, equity, and inclusion and how to create an inclusionary corporate culture. Combining his skills in the classroom and the boardroom, Miles offers a unique blend of professional traits allowing him to not only connect with the students and communities that he serves but also to initiate change through the programs and projects he develops. A lifelong resident of Baltimore City, Miles graduated from Morgan State University with a degree in History. Currently, he is studying at the University of Maryland Baltimore County for his master’s degree in Historical Studies.

Julian Blake

Building Lead

Born and raised in the city of brotherly love, Julian is a proud graduate of George Washington Carver High School for Engineering and Science, and an alumnus of Lincoln University. Julian started his career in mental health behavior and working with students with physical disabilities through multiple agencies throughout the Philadelphia region. Since working with Concentric, Julian has worked in positions varying from Program Director to Home Visit Specialist. Julian’s collective experience of working from the ground up with students to principals is a unique quality he brings to the Concentric team.

Nisa Campbell-Christie

Building Lead

Nisa Campbell-Christie, born and raised in Baltimore, MD, graduated from Morgan State University with a degree in Communications. She began working as a teacher in 2021 and is passionate about enforcing the importance of education. In addition to this, Nisa has worked in social media/web relations since early college.


“Being a part of Concentric rewards me with opportunities of work I’m passionate about, allowing me to grow professionally and creatively.

Kathryn Crigler

Building Lead

Kathryn Crigler is an engaging and dedicated Professional Student Advocate currently serving as a Building Lead for Concentric Educational Solutions. Hailing from a small town in Louisiana, she earned her Master of Science in English Education from Florida State University in 2011. Since then, she has enjoyed teaching and curriculum planning for over a decade. Kathryn’s goal is to positively impact the lives of teachers and students across societal divides and to strive towards the objective of an equitable education for all children. She excels in classroom management and is well-versed in educational research with excellent communication skills. She is the author of several professional articles for peer-reviewed journals. She also develops online English Language Arts tutorials for a statewide educational database. She currently resides outside of Baltimore, Maryland and enjoys raising a boisterous family of three boys with her husband, John.

Andrew Gnagey

Building Lead

Andrew Gnagey is an experienced language teacher and mentor from Baltimore, Maryland. Currently working as a Building Lead for Concentric, Andrew is a certified teacher with over 13 years of classroom experience. Andrew graduated from Saint Mary’s College of Maryland with a degree in International Languages and Culture and speaks six languages. He also did graduate work at George Washington University in International Education and studied abroad in Germany during college. In addition, he has spent most of his summers in the Netherlands and traveling throughout the world. His experience in public education has led to a lifelong love of working with students and helping them reach their full potential.

Corey Goodwin

Building Lead

Corey Goodwin was born and raised in Baltimore City. Goodwin went to High School at Lake Clifton Eastern and went on to The University of Maryland Eastern Shore where he earned his bachelor’s degree in Business Administration. Mr. Goodwin is affectionately known around Baltimore as Coach Goodwin, as he’s the Head Varsity Baseball Coach at Baltimore Polytechnic Institute. Goodwin is also an author of a book entitled, Falling in Love with Baseball in 9 Innings. Goodwin is passionate about the students in Baltimore City and has worked tirelessly to improve the mindset and overall attitudes toward a better education.

La'neir Haines

Home Visit Coordinator

Hailing from Springfield, Massachusetts, La’neir Haines was raised as the eldest of four siblings and expressed a keen interest in art and music at a young age. While in high school, he fell in love with psychology and went on to pursue a bachelor’s degree from Howard University. He considers himself a man of faith and believes that the youth will always be the center of his life’s work. He enjoys going to the gym, being outside, and creating music during his free time.

Dominick Jusino

Building Lead

Dominick Jusino Was born in Brooklyn, Ny and moved to Baltimore MD in 2005. He attended Joppatowne High school and excelled in track and field which later Got him into the illustrious Morgan State University in 2009; Studying sports administration. During his time at Morgan he coached for Northwood little league baseball team, and this was where he discovered his passion and gift for inspiring the children of the future.

Dominick Has 4 years of jewelry making experience and he used that to start his own business. “It has been a dream of mine to be able to inspire more children to venture into different forms of art. Making and Concentric has given me the opportunity to connect and inspire students in a way I couldn’t before.”

Chaz Morton

Building Lead

Chaz Morton brings a unique perspective to Concentric with his background being in psychology. He has a passion for not only understanding how students learn and instructional processes but also mentoring and tutoring youth. Morton obtained a Bachelor of Arts in psychology from Morgan State University and recently obtained a Master of Science in Forensic Psychology from Walden University. Prior to Concentric, Morton worked in law enforcement.

Brittany Ross

Building Lead

Brittany Ross is a Baltimore City native. She is a proud Baltimore City College Knight alumna and a graduate of Coppin State University, where she received her Bachelors of Arts in English Literature. Her passion for reading drives her purpose as a tutor and mentor. For the last few years, Brittany has tutored elementary students in Baltimore, helping them to develop better reading strategies to become stronger readers.  She believes that students shown consistency, love, and additional support have the potential to thrive academically. 

Alfred Turner

Building Lead

Alfred Turner is a Professional Student Advocate and Building Lead at Concentric. A former substitute teacher and pre-school teacher, Alfred serves his community as an Assistant Community Coordinator at his church. He values dedication, service, and excellence in his community.  Alfred brings a unique perspective to Concentric Educational Solutions with his experience working with disabled adults. Using real-world examples, Alfred sheds light on how the invaluable talent each student brings to our schools can positively impact our village! His motto is “Be the change you want to see.”

Justin Vasquez

Building Lead

Justin Vasquez is a Building Lead and Professional Student Advocate at Harford Height Elementary School. As an English Language Arts Tutor, Justin has been able to teach 4th and 5th graders within a diverse socioeconomic group. On a daily basis, he’s given the opportunity to learn the best strategies and implement them in the classroom such as creative writing, explanatory short response writing, and reading comprehension. Justin has always loved working with kids and always looks forward to all of their aha moments. He graduated from Morgan State University with a Bachelor’s degree in Hospitality Management.

Evalyn Waller

Building Lead

Evalyn (Eva) is a proud graduate of the illustrious Morgan State University, where she got her B.S. in Elementary Education. She is currently pursuing her master’s degree in Technology Integration in Education online at Western Governors University. She has always known that her idea of success revolves around making others successful. As a Building Lead and tutor/mentor for Concentric, she is able to help students become more successful every day. She believes building long-lasting relationships with students, staff, and families is the foundation of a healthy learning environment. She starts every day with a positive mindset and the goal of success in mind.