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2120 W. Jefferson Blvd.
Dallas
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Science

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Jorge Arredondo
Aquatic Science
Assistant Coach Football/ Girls Soccer
972-502-1500
jarredondojr@dallasisd.org
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 Saran Ward
PTECH Biology
972-502-1500
saward@dallasisd.org
 
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 Ali Sheeza
Advanced Biology/ Debate Coach
972-502-1500
asheeza@dallasisd.org
 
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 Diana Alvarado Hernandez
Biology, DL Biology
972-502-1500
dalvaradohernandez@dallasisd.org
 
c
Cesar Castellanos
Chemistry/ ESports Coach
972-502-1500
ccastellanos@dallasisd.org
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Ruhi Sahasrabudh
Biology
972-502-1500
rsahasrabudhe@dallasisd.org
 
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 Jazmine Stehsel
OnRamps Geoscience/ Destination imagination Coach
972-502-1500
jstehsel@dallasisd.org
 
Norris
  
Richard Norris
OnRamps Scientific Research/ Advanced Physics
972-502-1500
rnorris@dallasisd.org
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McKenzie Hiltpold
PTECH Advanced Chemistry/ Assistant Bison Belles
972-502-1500
mhiltpold@dallasisd.org
b
Herbert Pickens
Anatomy and Physiology/ Football Defensive Coordinator
972-502-1500
hpickens@dallasisd.org
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Sahara Khan
Aquatic Science Teacher/ Mock Trial
972-502-1500
Sahkhan@dallasisd.org
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Sazid Choudhury 
AP Biology, Biology
972-502-1500
schoudhury@dallasisd.org
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Joan Onwunma
Advanced  Chemistry
972-502-1500
jonwunma@dallasisd.org
A smiling man with dark hair pulled back stands in front of a plain white background.
Jacob Carver
Chemistry
972-502-1500
jcarver@dallasisd.org
 
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Alejandra Gonzalez-Mejia
Physics
972-502-1500
agonzalezmejia@dallasisd.org