Dr. DeWitt Burnham Legacy Council
$100,000 and above

Dr. John Upton Research Council
$50,000 to $99,999

Bernice Hemphill Ambassador Council
$5,000 to $49,999

Dr. Herbert Perkins Executive Council
$1,000 to $4,999

Fellows Council
$500 to $999

Sustainers Council
$250 to $499

Patrons Council
$100 to $249

Contributors Council
$99 and below