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Sian Ellard
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Best Female Scientists
2025

D-Index & Metrics

Best Female Scientists

D-Index
127
Citations
66048
World Ranking
395
National Ranking
39

Medicine

D-Index
132
Citations
69616
World Ranking
2305
National Ranking
240

Sian Ellard publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Sian Ellard sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 820 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Sian Ellard D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Sian Ellard sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 132 D-Index — 89th percentile

89% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Research.com Recognitions

  • 2025 - Research.com Best Female Scientists Award

Overview

Sian Ellard is affiliated with the University of Exeter in the United Kingdom. Their research spans multiple aspects of genetics, molecular biology, and medicine, with a focus on genomic and rare diseases as well as metabolic disorders such as diabetes.

Their recent publications include works on variant pathogenicity classification, splicing impact evidence in genetic evaluation, interpretation of non-coding genomic variants, clinical diagnostic enhancement through blood RNA analysis, and updates on variants in pancreatic KATP channel genes linked to congenital hyperinsulinism and diabetes. Notable papers are:

  • Calibration of computational tools for missense variant pathogenicity classification and ClinGen recommendations for PP3/BP4 criteria (2022, The American Journal of Human Genetics)
  • Using the ACMG/AMP framework to capture evidence related to predicted and observed impact on splicing: Recommendations from the ClinGen SVI Splicing Subgroup (2023, The American Journal of Human Genetics)
  • Recommendations for clinical interpretation of variants found in non-coding regions of the genome (2022, Genome Medicine)
  • Blood RNA analysis can increase clinical diagnostic rate and resolve variants of uncertain significance (2020, Genetics in Medicine)
  • Update of variants identified in the pancreatic β-cell KATP channel genes KCNJ11 and ABCC8 in individuals with congenital hyperinsulinism and diabetes (2020, Human Mutation)

Ellard's research is frequently published in venues such as The American Journal of Human Genetics, Genetics in Medicine, bioRxiv (Cold Spring Harbor Laboratory), Yearbook of Pediatric Endocrinology, and Journal of Medical Genetics. These venues reflect the scope and impact of their work in genetics and clinical genomics.

Their coauthorship network includes collaborations with Andrew T. Hattersley, Karen Stals, Sarah E. Flanagan, Elisa De Franco, and Emma L. Baple, indicating a strong cooperative engagement in clinical and molecular genetics research.

Their main fields of study encompass Biochemistry, Genetics and Molecular Biology, and Medicine. More specifically, subfields include Genetics, Molecular Biology, Surgery, Endocrinology, Diabetes and Metabolism, and Cancer Research.

Main research topics associated with Ellard include:

  • Genomics and Rare Diseases
  • Pancreatic function and diabetes
  • Genetics and Neurodevelopmental Disorders
  • Diabetes and associated disorders
  • Genomic variations and chromosomal abnormalities
  • Diabetes Management and Research
  • Hyperglycemia and glycemic control in critically ill and hospitalized patients

Best Publications

  • A common variant in the FTO gene is associated with body mass index and predisposes to childhood and adult obesity

    Timothy M. Frayling;Nicholas J. Timpson;Michael N. Weedon;Eleftheria Zeggini;Eleftheria Zeggini;Eleftheria Zeggini

  • Replication of Genome-Wide Association Signals in UK Samples Reveals Risk Loci for Type 2 Diabetes

    Eleftheria Zeggini;Michael N. Weedon;Cecilia M. Lindgren;Timothy M. Frayling

  • Activating Mutations in the Gene Encoding the ATP-Sensitive Potassium-Channel Subunit Kir6.2 and Permanent Neonatal Diabetes

    Anna L Gloyn;Ewan R. Pearson;Jennifer F. Antcliff;Peter Proks

  • Assessing transmissibility of SARS-CoV-2 lineage B.1.1.7 in England.

    Erik Volz;Swapnil Mishra;Meera Chand;Jeffrey C. Barrett

  • Switching from insulin to oral sulfonylureas in patients with diabetes due to Kir6.2 mutations.

    Ewan R Pearson;Isabelle Flechtner;Pål R Njølstad;Maciej T Malecki

  • SARS-CoV-2 evolution during treatment of chronic infection.

    Steven A. Kemp;Dami A. Collier;Dami A. Collier;Rawlings P. Datir;Isabella A. T. M. Ferreira

  • Maturity-onset diabetes of the young (MODY): how many cases are we missing?

    Beverley Shields;S. Hicks;Maggie Shepherd;K. Colclough

  • Mutations in the glucokinase gene of the fetus result in reduced birth weight.

    Andrew T. Hattersley;Frances Beards;Elizabeth Ballantyne;Maggie Appleton

  • Insulin gene mutations as a cause of permanent neonatal diabetes

    Julie Støy;Emma L. Edghill;Sarah E. Flanagan;Honggang Ye

  • Sensitivity of SARS-CoV-2 B.1.1.7 to mRNA vaccine-elicited antibodies.

    Dami A. Collier;Dami A. Collier;Anna De Marco;Isabella A. T. M. Ferreira;Bo Meng

  • Clinical implications of a molecular genetic classification of monogenic beta-cell diabetes

    Rinki Murphy;Sian Ellard;Andrew T Hattersley

  • Update on mutations in glucokinase (GCK), which cause maturity-onset diabetes of the young, permanent neonatal diabetes, and hyperinsulinemic hypoglycemia.

    Kara K. Osbak;Kevin Colclough;Cecile Saint-Martin;Nicola L. Beer

  • Hypomethylation of multiple imprinted loci in individuals with transient neonatal diabetes is associated with mutations in ZFP57

    Deborah J G Mackay;Deborah J G Mackay;Jonathan L A Callaway;Jonathan L A Callaway;Sophie M Marks;Helen E White

  • Best practice guidelines for the molecular genetic diagnosis of maturity-onset diabetes of the young

    S Ellard;Christine Bellanné-Chantelot;Andrew T Hattersley

  • Macrosomia and Hyperinsulinaemic Hypoglycaemia in Patients with Heterozygous Mutations in the HNF4A Gene

    Ewan R Pearson;Sylvia F Boj;Anna M Steele;Timothy Barrett

  • Insulin Mutation Screening in 1,044 Patients With Diabetes: Mutations in the INS Gene Are a Common Cause of Neonatal Diabetes but a Rare Cause of Diabetes Diagnosed in Childhood or Adulthood

    Emma L. Edghill;Sarah E. Flanagan;Ann-Marie Patch;Chris Boustred

  • Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study.

    Katherine A Twohig;Tommy Nyberg;Asad Zaidi;Simon Thelwall

  • Activating germline mutations in STAT3 cause early-onset multi-organ autoimmune disease

    Sarah E Flanagan;Emma Haapaniemi;Mark A Russell;Richard Caswell

  • Mutations in the human Delta homologue, DLL3 , cause axial skeletal defects in spondylocostal dysostosis

    Michael P. Bulman;Kenro Kusumi;Timothy M. Frayling;Carole McKeown

  • Using SIFT and PolyPhen to Predict Loss-of-Function and Gain-of-Function Mutations

    Sarah E. Flanagan;Ann-Marie Patch;Sian Ellard

Frequent Co-Authors

Andrew T. Hattersley
Andrew T. Hattersley University of Exeter
Anna L. Gloyn
Anna L. Gloyn Stanford University
Lorna W. Harries
Lorna W. Harries University of Exeter
Timothy M. Frayling
Timothy M. Frayling University of Geneva
Deborah J.G. Mackay
Deborah J.G. Mackay University of Southampton
Ewan R. Pearson
Ewan R. Pearson University of Dundee
Márta Korbonits
Márta Korbonits Queen Mary University of London
Frances M. Ashcroft
Frances M. Ashcroft University of Oxford
Michael N. Weedon
Michael N. Weedon University of Exeter
Pål R. Njølstad
Pål R. Njølstad University of Bergen

External Links

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Best Scientists Citing Sian Ellard

Mark I. McCarthy

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Genentech

Publications: 308

Philippe Froguel

Philippe Froguel

Imperial College London

Publications: 226

Andrew T. Hattersley

Andrew T. Hattersley

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Publications: 215

Oluf Pedersen

Oluf Pedersen

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Publications: 212

Torben Hansen

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Publications: 197

Leif Groop

Leif Groop

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Publications: 184

Pål R. Njølstad

Pål R. Njølstad

University of Bergen

Publications: 149

Timothy M. Frayling

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University of Geneva

Publications: 146

Anna L. Gloyn

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Stanford University

Publications: 117

Ruth J. F. Loos

Ruth J. F. Loos

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Publications: 105

Jose C. Florez

Jose C. Florez

Harvard University

Publications: 105

Paul W. Franks

Paul W. Franks

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Publications: 104

Anders Molven

Anders Molven

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Publications: 90

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Publications: 86

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