Rumbaut's email address or message boards?

Does anyone have a working email address for Dr. Rumbaut. Or an address to message boards for him? Thanks

I found this information on him: Dr. Rumbaut to [email protected], with a carbon copy to [email protected]. His cell phone # is: 011-52-818-277-6719, (9:30 to 13:00 and 15:00 to 19:00 hrs Central time). You can also call his office at: 011-52-818-347-4481 or 011-52-818-333 68 91. Ask for Lydia his secretary, she speaks English.