Secretary, National Association of Mathematics Teacher Educators (AMTE), 2005 – 2009.
Elected into Sigma Xi National Honors Scientific Research Society by Columbia University.
Baylor University, Mortar Board Circle of Achievement†Fall 1998.
Columbia University, Visiting Professor of Mathematics Education
Kappa Delta Pi International Honors Society Reviewer for the Journal for Research in Mathematics Education.
Texas Academy of Science President of Central Texas Council of Teachers of Mathematics (CTCTM), 2001 – 2004.
Executive Board Member, Central Texas Council of Teachers of Mathematics (CTCTM), 2004 – present.