http://parentscoalitionmc.blogspot.com/2013/05/meet-new-mcps-data-assoc-superintendent.html
Mr. Sanderson is no longer shown as a MCPS employee, and he is not listed on the list of employees for the MCPS Office of Shared Accountability.
http://www.montgomeryschoolsmd.org/departments/sharedaccountability/
It turns out he went right back to Texas.
That means, that at this time there is no one in charge of this office:
The Office of Shared Accountability (OSA) provides information and
analyses to support continuous improvement in the academic and
operational services at Montgomery County Public Schools (MCPS).