John graduated by Cornell University with a B.S. in genetics, followed by a Ph.D. in molecular virology at the University of Alabama at Birmingham.\u00a0\u00a0 He was then a post-doctoral research fellow at Harvard University, and then a research associate at Baylor College of Medicine.\u00a0 In 1991, he was hired by the Perkin Elmer Corporation to support PCR as a field applications scientist (FAS).<\/p>\n
In 1994, John supported the first use of TaqMan probes for end-point applications.\u00a0 With the introduction of a new type of PCR called real-time PCR in 1996, he was one of the first 4 FAS supporting the technology in the U.S.<\/p>\n
Through multiple corporate acquisitions, today the real-time PCR product line is part of Thermo Fisher Scientific.<\/p>\n","protected":false},"featured_media":1103,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":""},"expertise":[122,357],"class_list":{"0":"post-1100","1":"contributor","2":"type-contributor","3":"status-publish","4":"has-post-thumbnail","6":"expertise-genetics","7":"expertise-molecular-virology","8":"entry"},"acf":{"first_name":"John","last_name":"Pfeifer","display_name":"John Pfeifer, PhD","credentials":"B.S., Ph.D.","job_title":"Sr. Real-Time PCR Field Applications Scientist","company":"Thermo Fisher Scientific","short_description":"John Pfeifer joined Perkin Elmer Corp in 1991 supporting PCR. In 1996, he became one of the first FAS to support the new real-time PCR product line, a role which he continues today.","education":"B.S. in genetics at Cornell University; Ph.D. in molecular virology at University of Alabama at Birmingham","email_address":"","linkedin_profile":"","x_profile":"","external_link":"","headshot":1103,"accomplishments":"","publications":null,"recognitions":null,"certifications":null},"yoast_head":"\n