Get to know our staff

Main Office: 215.400.9070

Instagram Page: @CrossroadsSDP

2025/26 Crossroads Accelerated Academy Team:

Dr. Kimberly Grahn, Principal 
kgrahn@philasd.org

Christopher Angelini,  Assistant Principal
cangelini@philasd.org

John Phillips,  Climate Manager
jphillips2@philasd.org

Tracey Cossie, Secretary
thudson@philasd.org

Lisa Imperiale, Counselor
limperiale@philasd.org

Edith Smith-Johnson, Special Education Liaison
emsmithjohnson@philasd.org

Darryl Walker,  Student Support Dean
daewalker@philasd.org

Donna Rollins, SISL/ Attendance Designee
drollins@philasd.org

Alice Carr, Nurse
acarr@philasd.org

Stephanie Rogers, Climate Specialist
srogers@philasd.org

Melecia Douglas-Perren,  7th & 8th ELA Teacher
mdouglasperren@philasd.org

Jim Brier,  9th Math Teacher/ Roster Chair
jbrier@philasd.org

Jacob Haut, Science Teacher
jhaut@philasd.org

Jemal Dillard, Physical Education Teacher
jdillard@philasd.org

Roman Krivitsky, History Teacher
rkrivitsky@philasd.org

Julie Whitaker, 7th & 8th Math Teacher
jwhitaker@philasd.org

Cristina Sanchez, 9th English Teacher
csanchez@philasd.org

Michael Southerton, Digital Media Teacher
mjsoutherton@philasd.org

Gregory Smith, Green Careers Teacher
gcsmith@philasd.org

Madeline Gates, STEP Clinical Coordinator 
mgates@philasd.org

Keshawn Harper, STEP Behavioral Consultant
kharper3@philasd.org

Isidor Sime, STEP Case Manager
isime@philasd.org