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Sergio
Ortíz

Universidad del Valle de Guatemala (Chemistry Tree)


Irving A
Breger

U.S. Geological Survey (Geotree)


Donald Demar
Runnells

CU Boulder (Geotree)


Earl Michael
Thurman

CU Boulder (Geotree)


Diana S.
Aga

SUNY Buffalo (Chemistry Tree)

Lucía
Nitsch Velásquez

Universidad del Valle de Guatemala
(Options)

José Miguel
Morales Santiago

Universidad del Valle de Guatemala (Evolution Tree)

Melissa
Villatoro Castañeda

Univ. of New Mexico (Evolution Tree)

Lucía Nitsch VelásquezX