Expert:

  Dr. Richard Ingersoll

  Professor, Graduate School of Education, University of Pennsylvania

Credentials:

* Nationally recognized expert in teacher shortages, quality, qualifications and turnover rates.

* Questions whether there really is a shortage of math and science teachers; offers a "hole-in-a-bucket" perspective relating to the teaching workforce.

* Expert resource for stories on issues related to the teaching workforce and teaching as a profession, as well as school organization and accountability.