Nathan V Welham, PhD, CCC-SLP

Associate Professor

  • Division of Otolaryngology-Head & Neck Surgery
(608) 263-0121

Wisconsin Institutes for Medical Research (WIMR) BLDG. 1485
1111 Highland Ave.
Madison, WI 53705-2275


  • BSLT (Hons I), University of Canterbury, Christchurch, New Zealand, 1995-1998
  • MSLT (Dist), University of Canterbury, Christchurch, New Zealand, 1999-2000
  • PhD, University of Wisconsin-Madison, Madison, WI, 2000-2005

Clinical Specialties

Dr. Welham specializes in the assessment and treatment of patients with organic, neurological, and functional voice disorders, resonance disorders, and upper airway disorders such as paradoxical vocal fold motion. He also treats patients with occupational voice problems.

Certificates: American Speech Language Hearing Association Certificate of Clinical Competency
Licenses: Speech, Language Pathology

Research Interests

Dr. Welham’s research interests include vocal fold mucosal biology; extracellular matrix-focused proteomics; and vitamin A transport, storage and function.

Recent Publications

  • Proteomic and Genomic Methylation Signatures of Idiopathic Subglottic Stenosis.
    Schoeff SS, Shi X, Young WG, Whited CW, Soni RS, Liu P, Ong IM, Dailey SH, Welham NV
    Laryngoscope 2020 Jul 03;
    [PubMed ID: 32619300]

  • Dynamics of vitamin A uptake, storage, and utilization in vocal fold mucosa.
    Nishimoto K, Toya Y, Davis CR, Tanumihardjo SA, Welham NV
    Mol Metab 2020 May 28; 40: 101025
    [PubMed ID: 32473404]

  • Differentiated fibrocytes assume a functional mesenchymal phenotype with regenerative potential.
    Ling C, Nishimoto K, Rolfs Z, Smith LM, Frey BL, Welham NV
    Sci Adv 2019 05; 5(5): eaav7384
    [PubMed ID: 31086819]

  • Reversal of Vocal Fold Mucosal Fibrosis Using siRNA against the Collagen-Specific Chaperone Serpinh1.
    Kishimoto Y, Yamashita M, Wei A, Toya Y, Ye S, Kendziorski C, Welham NV
    Mol Ther Nucleic Acids 2019 Jun 07; 16: 616-625
    [PubMed ID: 31100613]

  • Serum retinyl esters are positively correlated with analyzed total liver vitamin A reserves collected from US adults at time of death.
    Olsen K, Suri DJ, Davis C, Sheftel J, Nishimoto K, Yamaoka Y, Toya Y, Welham NV, Tanumihardjo SA
    Am. J. Clin. Nutr. 2018 11 01; 108(5): 997-1005
    [PubMed ID: 30475970]

All Publications on PubMed