The Philippine Environmental Mutagen Society (PEMS), Inc. was incorporated on 10 February 1978.

The first eleven Directors of PEMS were:

1. Clara Y. Lim-Sylianco
2. Ruben C. Umaly
3. Lourdes V. Mantaring
4. Consuelo A. Buenvenida
5. Florencio-Isagani Medina III
6. Ma. Lourdes C. Brion
7. Serenidad M. Karunungan
8. Enriqueta A. Banzon
9. Gloria C. Bernas
10. Angelita G. Reyes
11. Pilar G. Anglo

 
Current Officers and Members

Presently, Dr. Amelia P. Guevara heads the PEMS Board of Directors as President for a three-year term, 2003-2006. The officers and board members are as follows:

• Dr. Titos A. O. Quibuyen, Vice President
• Dr. Irene M. Villaseñor, Secretary
• Dr. Evangeline C. Amor, Assistant Secretary
• Dr. Virginia Monje, Treasurer
• Dr. Ameurfina Santos, Assistant Treasurer
• Dr. Glorina Pocsidio, Auditor
• Ms. Norie Ann Nolasco, Public Relations Officer
• Dr. Edna Amparado
• Dr. Annabelle Herrera ; and
• Dr. Ramon Miranda

As of August 2006, PEMS has 127 life members and 29 regular members.

Mission / Vision

The aims and objectives of PEMS shall be the following:

• To promote the advancement of knowledge in Environmental Mutagenesis and related fields, principally:
   
  a. To encourage research and education on mutagens and related substances in the environment;
   
  b. To establish and promote communication and interchange of professional knowledge among members of the SOCIETY, as well as related societies, local and foreign;
 
 
• To actively participate in the dissemination of information on environmental mutagens and related substances; and
 
 
• To establish means by which knowledge of mutagens and related substances in the environment can be utilized for the improvement of the socio-economic and health conditions of the country.