"symposium speaker" is correct and usable in written English.
You can use it to refer to a person who speaks at a symposium, or a scholarly event or meeting, often organized around a specific topic. For example, "Jane Doe is a renowned symposium speaker on sustainable agricultural practices."
The work is both novel and intriguing, says Sarah Collins of the University of Nottingham, U.K., a fellow symposium speaker and a specialist in bird song and mate choice.
J. Lahtela has received honoraria as a symposium speaker for Novartis, Sanofi, Novo Nordisk, MSD symposia.
C. G. Östenson has received honoraria as a symposium speaker for Novo Nordisk Scandinavia.
Dr Palacios has been a symposium speaker or advisory board member for Bayer Schering Pharma, Novo Nordisk, Servier, Lilly, Daiichi-Sankyo, sanofi-aventis, MSD, and Procter & Gamble.
He is/has also been an unrestricted research grant holder with, or received financial compensation as an independent symposium speaker from Eli Lilly, BMS, Lundbeck, Organon, Janssen-Cilag, GSK, AstraZeneca, Pfizer and Servier.
Santiago Palacios have been a symposium speaker or advisory board member for Amgen, Arkopharma, Bayer Schering Pharma, Boehringer-Ingelheim Daiichi-Sankyo, Lilly, Pfizer, Roche, Sanofi Pasteur MSD, Servier and Warner Chilcott.
Symposium speakers presented novel methodology for analysis of FFPE expression data and suggestions for improving data recovery and quality assessment in pre-analytical stages.
Symposium speakers also noted the importance of strengthening healthcare systems and improving quality of care in order to encourage timely care-seeking and follow-up.
She helped organize a speakers' symposium, inviting outside speakers to talk on international affairs.
Since then, the N.F.L. has freighted the symposium with speakers who try to scare the rookies into lawfulness.
The Mark Twain House will sponsor a symposium with speakers and panelists like the Pulitzer Prize-winning biographers Justin Kaplan ("Mr. Clemens and Mark Twain, William McFeelyly ("Grant: A Biography") and Edmund Morris ("The Rise of Theodore Roosevelt and Theodore Rexex").
