- 2020 - 2023MemberClinical Practice Committee - Arizona, Executive Operations Team - Arizona, Mayo Clinic Arizona Committees 
- 2020Co-ChairCOVID19 Operations Team, Mayo Clinic Arizona Committees, Mayo Clinic in Arizona 
- 2020ChairMayo Clinic Laboratories Performing Site Implementation, Department of Laboratory Medicine and Pathology, Mayo Clinic Arizona Committees 
- 2019MemberProgram Committee and Workshop Review Panel, 2019 Workshop Addressing the Challenges of Eosinophilia and Mastocytosis, Society for Hematopathology/European Association for Haematopathology 
- 2019 - presentMemberSpecialty Council, Department of Laboratory Medicine and Pathology 
- 2019 - presentMemberSpace and Capital Committee, Department of Laboratory Medicine and Pathology, Mayo Clinic Arizona Committees 
- 2018 - 2023Member(CPT Coding Documentation and Standardization), Pathology Advisory Group, Department of Laboratory Medicine and Pathology 
- 2018 - 2019MemberAnnual meeting Program Committee, International Clinical Cytometry Society 
- 2017 - 2019MemberClinical and Laboratory Standards Institute (CLSI) 
- 2017 - 2019Past PresidentCouncil, International Clinical Cytometry Society 
- 2017Question WriterResidency and Fellowship In-Service Examination (RISE and FISHE), American Society for Clinical Pathology 
- 2017 - presentVice ChairPathology SoftPathDx Oversight Committee, Department of Laboratory Medicine and Pathology 
- 2016MemberAnnual meeting Program Committee, International Clinical Cytometry Society 
- 2015 - 2024Medical DirectorHematology Laboratory, Department of Laboratory Medicine and Pathology, Mayo Clinic Arizona Committees 
- 2015 - 2021Division ChairHematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic Arizona Committees 
- 2015 - 2020MemberInternational Society for Laboratory Hematology 
- 2015 - 2019MemberOffice of Travel Review, Personnel Committee, Executive Operations Team - Arizona 
- 2015 - 2019MemberEducation Committee - Arizona, Executive Operations Team - Arizona, Mayo Clinic Arizona Committees 
- 2015 - 2017PresidentCouncil, International Clinical Cytometry Society 
- 2015ChairAnnual meeting Program Committee, International Clinical Cytometry Society 
- 2015 - presentMemberExecutive Committee, Department of Laboratory Medicine and Pathology, Mayo Clinic Arizona Committees 
- 2014ChairAnnual meeting Program Committee, International Clinical Cytometry Society 
- 2013 - 2020MemberClinical Cytometry Education Network Steering Committee, Bi-Society Project with the European Society for Clinical Cell Analysis, International Clinical Cytometry Society 
- 2013 - 2015Vice PresidentCouncil, International Clinical Cytometry Society 
- 2013ChairAnnual meeting Program Committee, International Clinical Cytometry Society 
- 2011DirectorTherapeutic Assessment, Innovations in Laboratory Medicine, Friday Satellite Symposia 
- 2011 - 2013Senior CouncilorCouncil, International Clinical Cytometry Society 
- 2010DirectorAcute and Chronic Leukemia, Innovations in Laboratory Medicine, Friday Satellite Symposia 
- 2009 - 2020MemberEducation Committee, International Clinical Cytometry Society 
- 2009 - 2017ChairEducation Committee, International Clinical Cytometry Society 
- 2008 - 2015MemberRecruitment Subcommittee, Residency Committee, Department of Pathology 
- 2008 - 2011Council MemberCouncil, International Clinical Cytometry Society 
- 2007 - 2009MemberEducation Committee, Society for Hematopathology 
- 2006MemberCompanion Meeting at American Society for Clinical Pathology Meeting Committee, Society for Hematopathology 
- 2005 - 2017MemberInternational Society for Analytical Cytology 
- 2005 - 2015Question WriterResidency and Fellowship In-Service Examination (RISE and FISHE), American Society for Clinical Pathology 
- 2005MemberCompanion Meeting at American Society for Clinical Pathology Meeting Committee, Society for Hematopathology 
- 2004MemberCompanion Meeting at American Society for Clinical Pathology Meeting Committee, Society for Hematopathology 
- 2002 - 2015MemberResidency Committee, Department of Pathology, University of Pittsburgh 
- 2001 - 2022MemberInternational Clinical Cytometry Society 
- 2000 - 2001LeaderPathology Residency Program Advisory Committee, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 2000 - 2001MemberAdvisory Subcommittee on MS Promotions Guidelines, Medical School, University of Texas Health Science Center at San Antonio 
- 1998 - 2001MemberPreclinical Promotions Committee, Advisory Subcommittee on MS Promotions Guidelines, Medical School 
- 1997 - 2001ChairSenior Klein Award Committee, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 1997 - 2001DirectorHematopathology Fellowship Training Program, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 1997 - 2001Medical AdvisorClinical Laboratory Science Department, School of Allied Health, University of Texas Health Science Center at San Antonio 
- 1997 - 2001MemberCancer Coordinating Committee, University Hospital San Antonio 
- 1997MemberSearch Committee, AHEC, School of Allied Health, University of Texas Health Science Center at San Antonio 
- 1995 - 1997MemberSenior Klein Award Committee, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 1994 - 2001ChairPathology Informatics Advisory Committee, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 1994 - 1996MemberEducational Resources Committee, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 1993 - 2001MemberPathology Education Committee, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 1993 - presentMemberSociety for Hematopathology 
- 1993 - presentMemberUnited States and Canadian Academy of Pathology 
- 1993 - presentMemberAmerican Society of Hematology 
- 1992 - 2001MemberPathology Residency Committee, Department of Pathology, University of Texas Health Science Center at San Antonio 
- 1992 - 1994MemberComputer Steering Committee, Pathology Laboratory, University Hospital San Antonio 
- 1992 - 1994MemberProject Team, Information System, Pathology Laboratory 
- 1992 - 1994Medical DirectorInformation System, Pathology Laboratory, University Hospital San Antonio 
- 1991 - 2018MemberAcademy of Clinical Laboratory Physicians and Scientists 
- 1990 - presentMemberCollege of American Pathologists 
- 1989 - presentMemberAmerican Society for Clinical Pathology 
- 1988 - presentMemberAmerican Medical Association