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“The NAPPO Executive Committee is composed of the head of NPPO of each member country or its designated representative.  In Canada, the representative is the Chief Plant Health Officer of the Canadian Food Inspection Agency (CFIA) or her/his delegate.  In the United States, it is the Deputy Administrator of the Animal and Plant Health Inspection Service, Plant Protection and Quarantine of the United States Department of Agriculture (USDA-APHIS-PPQ) In Mexico, it is the Director General of Plant Health of the Secretary of Agriculture, Livestock, Rural Development, Fish and Food (SENASICA, based on the Spanish acronym).

The responsibilities of the EC members include:

  • Provide leadership, council and strategic planning for NAPPO
  • Oversee the activities and performance of the ED and the AMC
  • Approve the annual work program and appoint appropriate personnel to participate in NAPPO EGs
  • Approve the annual budget and review the annual financial statement
  • Approve NAPPO RSPMs and other NAPPO documents
  • Report the results of NAPPO activities to the appropriate authorities and stakeholders

Greg Wolff
Plant Import/Export Division, International Affairs Branch, Canadian Food Inspection Agency
Ph: 613-773-7060
Email: Greg.Wolff(at)


Gregory Wolff began his government career in agriculture with the Government of Alberta in 1996. He joined the federal government in 2000 and has held a variety of agriculture-related positions focused on plant health and international trade, based mostly in the Canadian Food Inspection Agency (CFIA).

In 2017-18, he led the development of Canada’s Plant and Animal Health Strategy. Greg’s other government experience includes roles in the Minister of Agriculture’s office and at the Privy Council Office.

Greg is currently Director of the Plant Import/Export Division in the CFIA’s International Affairs Branch.


Osama El-Lissy
Deputy Administrator,
US Department of Agriculture, Animal Plant Health Inspection Services, Plant Protection and Quarantine (USDA-APHIS-PPQ)
Ph: 202-690 0472
Email: Osama.A.El-Lissy(at)

Since 2013, Osama El-Lissy has served as the Deputy Administrator for the U.S. Department of Agriculture’s (USDA) Plant Protection and Quarantine (PPQ) program. He leads a globally dispersed staff of nearly 3,000 men and women who safeguard U.S. agricultural and natural resources from foreign pests and diseases and facilitate safe trade. 

Before becoming Deputy Administrator, he served as the Associate Deputy Administrator responsible for PPQ’s policy and financial management. Prior to that, El-Lissy coordinated national preparedness, response, and recovery from plant health emergencies. In that role, he worked with Federal and State agencies, industry groups, and technical experts to combat pests such as citrus black spot, European grapevine moth, and potato cyst nematode. From 2000 to 2005, he served as PPQ’s National Coordinator for cotton pest programs, coordinating national cotton pest programs in the United States and Mexico, including the boll weevil and pink bollworm eradication programs. 

His non-Federal experience includes more than 12 years managing large-scale pest control and eradication programs.


John Greifer - Alternate
Assistant Deputy Administrator, International Phytosanitary Standards
US Department of Agriculture, Animal Plant Health Inspection Services, Plant Protection and Quarantine (USDA-APHIS-PPQ)
Ph: 202-799-7159

John oversees and directs PPQ’s international and regional plant health standard setting activities at the IPPC and NAPPO. He first joined APHIS in 1989.  He has served in leadership positions in APHIS’ International Services (IS) branch, including as an Associate Deputy Administrator for IS, directing the Agency’s SPS trade strategies and international capacity development activities. He joined PPQ in 2012. 

During the course of his career, John has represented the U.S. on various IPPC committees including: the IPPC Bureau; Subsidiary Body on Dispute Settlement; Strategic Planning Group; and other various IPPC working groups. In his current role, John plays an active leadership role on the NAPPO Executive Committee.

John earned his B.A. and Master degree (in International Policy) from the University of Michigan. Prior to joining APHIS, he spent four years in Guatemala with the U.S. Peace Corps where he worked in the agricultural sector promoting rural youth programs.


Francisco Ramírez y Ramírez.png

Ing. Francisco Ramírez y Ramírez
Director General de Sanidad Vegetal
Ph: (55) 59 05 10 00 Ext. 53235


Mr. Francisco Ramírez y Ramírez was confirmed as the new director-general for Plant Health on March 21. His predecessor, Dr. Francisco Javier Trujillo Arriaga, now director of SENASICA confirmed his appointment, and highlighted his phytosanitary contributions towards preventing, controlling and eradicating plant pests and diseases in Mexico. Mr. Ramírez y Ramírez is an agronomist specialized in parasitology from Chapingo Autonomous University. He has 37 years of professional experience in phytosanitary issues at the state and federal levels having occupied several high profile positions in the Plant Health General Directorate at SENASICA.

He served as director of the National Phytosanitary Reference Center where he was responsible for the development and deployment of the National System for Phytosanitary Epidemiological Surveillance (SINAVEF); later, he assumed the General Directorate for Agriculture and Livestock in San Luis Potosí. Most recently, Francisco worked at the Directorate for Domestic Fruit Fly Programs where he focused on implementation of fruit fly free areas and maintaining Mexico’s Mediterranean fruit fly-free status. In 2017, he received the Plant Health National Award for Phytosanitary Merit.

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