I haven't researched this, but from this:

A local delegate has asked Democratic Gov. Timothy M. Kaine to re-think his appointment of the head of the Virginia-based Muslim American Society to the Virginia Commission on Immigration.

Del. Todd Gilbert, R-Woodstock, wrote to Kaine earlier today, saying he was concerned about the appointment of Dr. Esam S. Omeish, a Northern Virginia physician and the group's president, to the panel. The commission was created earlier this year to study the impact of illegal immigration on the commonwealth.

The Muslim American Society has significant ties to the Muslim Brotherhood, a group founded in Egypt, Gilbert said.

Video of an Omeish speech at the link or here.

UPDATE: Whether he jumped or was pushed, Omeish is now off the Commission. Tim Kaine has released the following statement:

"I have accepted Dr. Esam Omeish's resignation as one of the 10 gubernatorial appointees to the 20-member Virginia Commission on Immigration. Dr. Omeish is a respected physician and community leader, yet I have been made aware of certain statements he has made which concern me...