Federal University of  Rio de Janeiro Award – First in the Medical Class ranking.
Dr Mario Geller graduated from the Federal University of Rio de Janeiro Medical School and had a 5 year PostGraduate training at the University of Wisconsin, Madison, WI, USA in Internal Medicine (Medical Internship and Residency) and Allergy-Immunology (Fellowship).

He is Board Certified in Brazil in Allergy and Clinical Immunology and in the USA in Allergy-Immunology and Internal Medicine.

Imortal Member of the Academy of Medicine of Rio de Janeiro. Staff Member of the Albert Einstein Hospital in Sao Paulo. Active Member of the Brazilian Society of Allergy and Immunopathology (ASBAI).

Certified by the Federation of State Medical Boards of the USA. Master of the American College of Physicians, MACP.

Other achievements:
– Clinical Instructor in Allergy-Immunology, Faculty Staff, Dept of Medicine, University of Wisconsin, Madison, WI, USA (1977-1978).
– Scholar of the American College of Physicians in Allergy-Immunology at the Northwestern University, Chicago, IL, USA (1989). ACP Traveling Scholarship Certificate of Merit.
– Visiting Professor at the Allergy-Immunology Division of the Northwestern University, Chicago, IL, USA.
– Fellow of the American Academy of Allergy, Asthma and Immunology, FAAAAI.
– Fellow of the American College of Allergy, Asthma and Immunology, FACAAI.
– Chair of the American College of Allergy, Asthma and Immunology PR-Network, Brazil Chapter.
– AMA Physician Recognition Awards (American Medical Association).
– Research in HLA and Asthma, NIAID/NIH, USA, at the University of Wisconsin, Madison, WI, USA (1976-1978).
– Research in cooperation with the Allergy-Immunology Division of the University of South Florida, Tampa, FL, USA on mite respiratory allergy (1993-1996).
– Clinical reports on the treatment of allergic respiratory conditions.
– ACP Governor-Elect Brazil Region (1997-1998).
– ACP Governor Brazil Region (1998-2002).
– 4 ACP Chapter Excellence Awards (1998-2002).
– ACP Certificate of Recognition (2000).
– Medal of Merit Pedro Ernesto, House of Representatives of Rio de Janeiro, RJ (1995).
– Member of the Brazilian Allergy and Immunopathology Society Study Group on Drug Allergy (2010).
– Reviewer of the Annals of Allergy, Asthma and Immunology.
– Member of the Editorial Board of the journal Revista Brasileira de Alergia e Imunopatologia, ASBAI
– Member of the AAAAI International Training Committee (2010).
– Vice-President of the Latin American Committee of the AAAAI (2010).
– Member of the AAAAI International Credentials Committee and AAAAI International Membership Committee (2010).
– Member of the ACP Brazil Chapter Leader Network.
– Member of the International Committee of the ASBAI-RJ (2005-2006).
– Member of the Anaphylaxis Committee of the AAAAI.
– Member of the Asthma Pharmacotherapy Committee of the AAAAI (2011).
– Member of the Allergic Skin Disorders Committee of the AAAAI.
– Member of the Publications and Site of the ASBAI-RJ.
– Reviewer of the Journal of Allergy and Clinical Immunology.
– Ex-Chair of the Latin America Region Committee and Ex-Vice-Chair of the International Assembly of the American Academy of Allergy, Asthma and Immunology.