| Position | Organization | Time |
|---|
| Associate Professor | Department of Leukemia | Present |
| Professor | Associate Internist and Associate | Present |
| Deputy Chair | Department of Leukemia, Division of Cancer Medicine | Present |
| Associate Internist and Associate Professor | Department of Bioimmunotherapy, Division of Cancer Medicine | Present |
| Assistant Internist and Assistant Professor | Department of Bioimmunotherapy, Division of Cancer Medicine | Present |
| Assistant Internist and Assistant Professor | Department of Leukemia, Division of Cancer Medicine | Present |
| Associate Professor | Postgraduate Course of Hematology, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico | 1995 - 1996 |
| Chairman | Instituto Nacional de la Nutricion | 1995 - 1996 |
| Assistant Professor | Department of Histology | Present |
| Chair | CML Section, Department of Leukemia, Division of Cancer Medicine | Present |
| Leukemia Fellowship Program Director | Department of Leukemia, Division of Cancer Medicine | Present |
| Chairman | Department of Hematology | Present |
| Member | Executive Committee, International CML Foundation, London, United Kingdom | 2009 - 2014 |
| Member | Board of Directors, Leukemia & Lymphoma Society, White Plains, NY | 2007 - 2014 |
| Member | Scientific Advisory Board, The Max Foundation, Buenos Aires, Argentina | 2006 - 2014 |
| Member | Advisory Board, TX Gulf Coast Chapter, Leukemia & Lymphoma Society, Houston, TX | 2005 - 2014 |
| Chair | IRB5, Member, Council of Committee Chairs, 2009-present | 2010 - 2014 |
| Member | Conflict of Interest Committee | 2009 - 2012 |
| Chair | Elect, Executive Committee of the Medical Staff | 2009 - 2012 |
| Member | Emergency Center Task Force | 2009 - Present |
| Member | Clinician Educator Task Force | 2007 - 2008 |
| Chair | Transfusion Committee, Member, IRB3, 2003-present | 2004 - 2010 |
| Vice Chair | IRB5, Member, Search Committee ID Chair, 2003-2009 | 2003 - 2010 |
| Vice Chair | Clinical Research Committee | 2003 - 2005 |
| Member | Executive Committee of the Faculty Senate | 2003 - Present |
| Member | Clinical Research Committee | 2002 - 2003 |
| Member | IRB Subcommittee | 2002 - Present |
| Member | Blue Ribbon Committee - Review of Clinical Trials Research | 2002 - Present |
| Chair | Department of Leukemia Protocol Compliance | Present |
| Chair | ICU Committee, Member, Infection Control Subcommittee, 2001-2005 | 2001 - 2007 |
| Member | Clinical Council | 2001 - 2002 |
| Member | Search Committee Chair, Pulmonary Medicine | 2001 - Present |
| Member | Search Committee, Critical Care Faculty | 2001 - Present |
| Member | Search Committee, ID Faculty | 2001 - Present |
| Vice Chair | Transfusion Committee | 1999 - 2004 |
| Vice Chair | ICU Committee | 1999 - 2001 |
| Member | ATC Task Force | 1999 - 2000 |
| Member | Fellowship Committee, Member, Latin American Task Force, 1998-2001 | 1998 - 2005 |
| Role | Organization | Time |
|---|
| Member | Harris County Medical Society, Houston, TX | 1997 - Present |
| Member | Medica Sur Medical Society, Mexico | 1993 - Present |
| Member | Medical Society of the Instituto Nacional de la Nutricion Salvador Zubiran | 1987 - Present |
| Member | Mexican Association of Internal Medicine, Mexico | 1989 - Present |
| Member | National Academy of Medicine of Mexico | 2012 - Present |
| Member | NCI-ASH Hematology Clinical Trials Workshop Steering Committee | 2009 - Present |
| Member | Texas Medical Association, TX | 1997 - Present |
| Member | The Max Foundation | 2008 - Present |
| Member | Agrupacion Mexicana para el Estudio de la Hematologia, Mexico | 1995 - Present |
| Member | American Association for Cancer Research | 1997 - Present |
| Member | American Society of Clinical Oncology (ASCO) | 1995 - Present |
| Member | American Society of Hematology (ASH) | 1994 - Present |
| Member | Ecuatorian Oncology Research Group (GOIE) | 1996 - Present |
