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Douglas MacArthur High School


Meet the MacArthur Counselors

Natalie Hierholzer

Degrees: Bachelor of Science in Education, Southwest Texas State University; Master of Arts in Counseling/Guidance, Southwest Texas State University

Areas of Certification and Licensure: : Texas State Teaching Certificate in Elementary Education, Reading, and Social Studies; Texas Professional Certificate in Guidance & Counseling

Interesting Facts: Natalie has enjoyed educating and counseling students for 28 years in NEISD as an elementary teacher and a high school counselor. She is married to John and has 2 children. Zack is a math teacher and coach at Nimitz Middle School. Kelsey is a sophomore at North West Vista studying to become a nurse. Natalie and John enjoy running, traveling, and climbing some of the highest peaks in Colorado.

Rolla Bradley


Degrees: Bachelor of Education from Hardin-Simmons University; Masters of Arts in Education from Southwestern Baptist Theological Seminary; Masters of Arts in Counseling from the University of Texas at San Antonio and a Doctorate in Education from University of the Incarnate Word.

Areas of Certification and Licensure: Texas Secondary Teaching Certificate in Special Education and Professional Certificate in Counseling; Licensed Professional Counselor; LPC Supervisor; Career Development Facilitator.

Interesting Facts: Rolla has three children and enjoys being involved with his family’s activities. Aside from school counseling, he also has done pastoral counseling and has a private counseling practice.

Cristina Esparza

Degrees:  Bachelor of Arts in Interdisciplinary Studies, University of Texas at El Paso; Master of Arts in Counseling, University of Texas at San Antonio

Areas of Certification:  Texas State Teaching Certificate in Elementary Education with certifications in Reading and Bilingual Education; Texas Professional Certificate in Counseling

Interesting Facts:   Cristina enjoys camping, watching movies, and playing basketball with her 16 year old daughter.


Azucena Reyes

Degrees:  Bachelor of Arts in Spanish, St. Mary's University. Master of Science in Guidance/ Counseling, Texas A&M Kingsville.

Areas of Certification: Secondary Teaching Certificate in Spanish. Texas Professional Certificate in Guidance & Counseling.

Interesting Facts: I enjoy spending time with friends, family, my 5 year old maltese named cochese and my husband. I grew up with 2 younger sisters and I have 4 nephews, ages 16, 14, 10 & 4.


Kimberly Piccirilli

Degrees:  Bachelor of Science in Mathematics, University of Texas at San Antonio; Master of Arts in Education, University of Texas at San Antonio.

Areas of Certification: Texas Secondary Teaching Certification in Mathematics; Texas Professional Certification in Counseling.

Interesting Facts: Kim is married and has two boys (8th and 10th grade).  This is her 23th year in the district and her 18th year as a counselor.  She loves working with students and spending time with her family.  When her boys are not involved with soccer they enjoy camping with family and friends.



Samantha FitzSimon

Degrees: Bachelor of Fine Arts, West Texas A&M University. Master of Science in Guidance & School Counseling, Texas A&M San Antonio.
Certification: Secondary Teaching Certificate in Fine Arts Dance. Texas Professional Certificate in Guidance & School Counseling.
Interesting Facts: Samantha FitzSimon  has been a Counselor here at MacArthur for the past two years.  Her career began in 1999 as a Spirit Director and she has been an educator/counselor with NEISD for the past 12 years.  Samantha has worked hand in hand with many school organizations and because of her coaching/teaching experience,  considers herself as a mentor to her students and looks forward to each and every day she spends with them.  Samantha is mother to a beautiful 8 year old daughter named Bailey.   She enjoys hanging out with friends and family, traveling, and watching movies.



Karen Sebastian

Degrees: Bachelor of Arts in Psychology from Shippensburg University in Shippensburg, PA; Master of Arts in Education from East Carolina University in Greenville, NC.

Certification: Texas Professional Certificate in Guidance and School Counseling.

Interesting Facts: Karen has three children.  Her oldest son is a senior at UNT, her daughter is a sophomore at Madison, and her youngest son is in 4th grade.  This is her 12th year as a school counselor and her first year at MAC.  She enjoys spending time with her family, cooking, gardening, and a variety of outdoor activities.  She is very happy to be at MAC and is looking forward to a great year!




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