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Top experts by indication / Oncology

Most active experts in Colorectal Cancer

2026 edition, data as of October 26, 2026

681 key opinion leaders in the directory are tagged to Colorectal Cancer. The tables below rank them by one public measure each: registered trials, citations, NIH awards and congress contributions. Each is a count from a named source, not a judgment about the person, and every row links a profile where the count can be checked.

Most registered trials

Registered clinical trials in this indication on which the person is a listed investigator, counted from ClinicalTrials.gov. 370 of the 681 people tagged to this indication have this count on record; the 25 highest are listed. Source: ClinicalTrials.gov.

#Experttrials
1Marwan FakihCity of Hope, CA23 trials
2Norman WolmarkUniversity of Pittsburgh, PA22 trials
3Leonard SaltzMemorial Sloan Kettering Cancer Center, NY15 trials
4Josep TaberneroVall d'Hebron Institute of Oncology (VHIO)14 trials
5Heinz-Josef LenzUSC Norris Comprehensive Cancer Center, CA11 trials
6Eric Van CutsemUniversity Hospitals Leuven (UZ Leuven)11 trials
7Nilofer AzadJohns Hopkins University School of Medicine, MD11 trials
8Johanna BendellPfizer, TN11 trials
9Scott KopetzThe University of Texas MD Anderson Cancer Center, TX10 trials
10Nancy KemenyMemorial Sloan Kettering Cancer Center, NY10 trials
11Michael OvermanThe University of Texas MD Anderson Cancer Center, TX9 trials
12Wells MessersmithUniversity of Colorado Cancer Center, CO8 trials
13Andrea CercekMemorial Sloan Kettering Cancer Center, NY8 trials
14Jeffrey MeyerhardtDana-Farber Cancer Institute, MA8 trials
15Alexander SpiraVirginia Cancer Specialists, VA7 trials
16Kanwal RaghavThe University of Texas MD Anderson Cancer Center, TX7 trials
17Olatunji AleseEmory University, GA7 trials
18Hagen KenneckeOregon Health & Science University (OHSU) Knight Cancer Institute, OR7 trials
19Hedy KindlerUniversity of Chicago, IL7 trials
20Al BensonNorthwestern University Feinberg School of Medicine, IL7 trials
21William SchelmanWI6 trials
22John StricklerNC6 trials
23Gina BrownNE6 trials
24David HongThe University of Texas MD Anderson Cancer Center, TX6 trials
25Cathy EngVanderbilt University Medical Center, TN6 trials

Most cited

Citations to the person's whole published record in OpenAlex, not only their work in this indication, among the people with at least two registered trials in it. 112 of the 681 people tagged to this indication have at least 2 registered trials in it and this count on record; the 25 highest are listed. Source: OpenAlex.

#Expertcitations
1Eric Van CutsemUniversity Hospitals Leuven (UZ Leuven)176,402 citations
2Josep TaberneroVall d'Hebron Institute of Oncology (VHIO)129,261 citations
3Norman WolmarkUniversity of Pittsburgh, PA124,155 citations
4Jaffer AjaniThe University of Texas MD Anderson Cancer Center, TX118,781 citations
5Charles FuchsTubulis GmbH114,486 citations
6Razelle KurzrockMedical College of Wisconsin, WI88,610 citations
7Leonard SaltzMemorial Sloan Kettering Cancer Center, NY86,391 citations
8Yuman FongCity of Hope, CA80,193 citations
9David SpigelSarah Cannon Research Institute, TN79,383 citations
10Al BensonNorthwestern University Feinberg School of Medicine, IL74,238 citations
11Richard GoldbergAgenus Inc., WV66,884 citations
12Scott KopetzThe University of Texas MD Anderson Cancer Center, TX59,091 citations
13Heinz-Josef LenzUSC Norris Comprehensive Cancer Center, CA57,638 citations
14Tim GretenNational Institutes of Health, MD54,882 citations
15Jeffrey MeyerhardtDana-Farber Cancer Institute, MA53,998 citations
16Eric ChenUniversity of Hong Kong, TX52,043 citations
17Dung LeJohns Hopkins University School of Medicine, MD49,697 citations
18Charles LoprinziMayo Clinic, MN49,105 citations
19Amit SingalUT Southwestern Medical Center, TX48,718 citations
20David HongThe University of Texas MD Anderson Cancer Center, TX47,734 citations
21Herbert ZehHarold C. Simmons Comprehensive Cancer Center, PA43,713 citations
22Peter O'DwyerECOG-ACRIN Cancer Research Group, PA43,318 citations
23Alan VenookUniversity of California, San Francisco, CA43,039 citations
24Dawn HershmanColumbia University Irving Medical Center, NY42,795 citations
25Jordan BerlinVanderbilt University Medical Center, TN40,633 citations

Most NIH awards

NIH awards on the person's record in NIH RePORTER, across all of their funded work, among the people with at least two registered trials in this indication. 85 of the 681 people tagged to this indication have at least 2 registered trials in it and this count on record; the 25 highest are listed. Source: NIH RePORTER.

#Expertawards
1Li LiCA17 awards
2Peter O'DwyerECOG-ACRIN Cancer Research Group, PA15 awards
3Dean BrennerUniversity of Michigan, MI14 awards
4Dawn HershmanColumbia University Irving Medical Center, NY14 awards
5Scott KopetzThe University of Texas MD Anderson Cancer Center, TX13 awards
6Branimir SikicStanford University School of Medicine, CA10 awards
7Amit SingalUT Southwestern Medical Center, TX10 awards
8Adrian DobsJohns Hopkins University School of Medicine, MD9 awards
9Brennan SpiegelCedars-Sinai Medical Center, CA8 awards
10Manish ShahWeill Cornell Medicine, NY8 awards
11Al BensonNorthwestern University Feinberg School of Medicine, IL8 awards
12Samir GuptaIndiana University School of Medicine, IN8 awards
13Jordan BerlinVanderbilt University Medical Center, TN8 awards
14David BartlettAllegheny Health Network, PA7 awards
15Herbert HurwitzDuke University, NC6 awards
16Charles RogersAZ6 awards
17Anthony ShieldsMI6 awards
18Norman WolmarkUniversity of Pittsburgh, PA6 awards
19Hedy KindlerUniversity of Chicago, IL6 awards
20Steven AlbertsMayo Clinic, MN6 awards
21Charles FuchsTubulis GmbH5 awards
22Jaffer AjaniThe University of Texas MD Anderson Cancer Center, TX5 awards
23Mace RothenbergMuseum of Medicine and Biomedical Discovery, TN5 awards
24Nilofer AzadJohns Hopkins University School of Medicine, MD5 awards
25Jeffrey MeyerhardtDana-Farber Cancer Institute, MA5 awards

Most congress contributions

Congress abstracts and presentations attributed to the person and verified by DOI, across every meeting the directory tracks, among the people with at least two registered trials in this indication. 57 of the 681 people tagged to this indication have at least 2 registered trials in it and this count on record; the 25 highest are listed. Source: Congress abstracts, DOI-verified.

#Expertcontributions
1Josep TaberneroVall d'Hebron Institute of Oncology (VHIO)574 contributions
2Michael OvermanThe University of Texas MD Anderson Cancer Center, TX333 contributions
3Johanna BendellPfizer, TN310 contributions
4Dawn HershmanColumbia University Irving Medical Center, NY278 contributions
5Norman WolmarkUniversity of Pittsburgh, PA273 contributions
6Patricia LorussoYale School of Medicine, MI272 contributions
7James GulleyNational Cancer Institute, MD255 contributions
8Theodore HongMassachusetts General Hospital, MA250 contributions
9Siqing FuThe University of Texas MD Anderson Cancer Center, TX241 contributions
10Cathy EngVanderbilt University Medical Center, TN240 contributions
11Anthony TolcherNEXT Oncology, TX229 contributions
12Marwan FakihCity of Hope, CA228 contributions
13Timothy YapThe University of Texas MD Anderson Cancer Center, TX221 contributions
14Leonard SaltzMemorial Sloan Kettering Cancer Center, NY202 contributions
15Kanwal RaghavThe University of Texas MD Anderson Cancer Center, TX191 contributions
16Manish ShahWeill Cornell Medicine, NY174 contributions
17Dustin DemingUniversity of Wisconsin School of Medicine and Public Health, WI174 contributions
18Axel GrotheyWest Cancer Center, TN169 contributions
19Rona YaegerMemorial Sloan Kettering Cancer Center, NY168 contributions
20Michael PishvaianJohns Hopkins University School of Medicine, DC165 contributions
21Hedy KindlerUniversity of Chicago, IL163 contributions
22Al BensonNorthwestern University Feinberg School of Medicine, IL160 contributions
23Jordan BerlinVanderbilt University Medical Center, TN156 contributions
24Shivaani KummarOregon Health & Science University (OHSU), OR155 contributions
25Elena ChioreanUniversity of Washington, WA154 contributions

Emerging

35 of the 681 carry the Emerging flag: publication and trial activity rising over the recent three years, in the top ten percent for growth among specialty peers at a similar career stage. Listed A to Z, not ranked; the flag is a yes or nothing, never a score. How the flag is computed.

Abdullah AbbasiUniversity of Iowa, IA
Olivia AranhaWashington University School of Medicine in St. Louis, MO
Fiyinfolu BalogunMemorial Sloan Kettering Cancer Center, NY
Marina BarettiJohns Hopkins University School of Medicine, MD
Dean BrennerUniversity of Michigan, MI
Sita ChokhavatiaNJ
Cathy EngVanderbilt University Medical Center, TN
Cristina FerroneCedars-Sinai Medical Center, CA
Phillip GarfinJazz Pharmaceuticals, CA
Susan GilchristTX
Patrick GriersonWashington University School of Medicine in St. Louis, MO
Stephen GruberCity of Hope, CA
Matthew HadfieldBrown University, RI
Theodore HongMassachusetts General Hospital, MA
Herbert HurwitzDuke University, NC
Brian KaderaUniversity of California, Los Angeles, CA
Udai KammulaUniversity of Pittsburgh, PA
Samir KhleifGeorgetown University School of Medicine, GA
Jeremy KratzWI
Heinz-Josef LenzUSC Norris Comprehensive Cancer Center, CA
Nicolas LlosaJohns Hopkins University School of Medicine, MD
Wells MessersmithUniversity of Colorado Cancer Center, CO
J. PipasGeoVax, NH
Michael PishvaianJohns Hopkins University School of Medicine, DC
Salman PunekarNYU Langone Health, NY

How these tables are computed

The cohort is every profile in the directory tagged to Colorectal Cancer, from the person's registered trials and published research. Only indications with at least 200 tagged people get a page; a smaller cohort would say more about the tag than about the people in it. Each table sorts the cohort by one count, highest first, with no weighting, no blending and no editorial pass. Ties are broken by the profile's stable internal id so the same counts always give the same order. A person with no count on record is left out of that table, not ranked last.

Citations, NIH awards and congress contributions are counts over a person's whole record, not their work in this indication alone, so those three tables are limited to the indication's investigators: people with at least 2 registered trials in it. Without that rule the most cited people in a cohort are the ones whose careers span many diseases, which is a fact about their careers, not about this field. The registered-trials table is the indication-scoped count itself and has no such limit.

The counts are recomputed on every publish and the page carries the date of the publish it was built from. Previous editions are superseded, not archived.

What is deliberately absent

Reported industry payments are on every profile but are not a table here: a count of payers is a fact, and ranking people by it reads as a judgment. Prescribing volume is part of the paid workspace. The directory's influence tier is a judgment and never orders a public page. Sources and methodology.

Filter, sort and open every Colorectal Cancer profile in the directory