William Geist

Corporate Officer/Principal at BIO-TECHNE CORPORATION

Net worth: 1 M $ as of 2026-06-29

57 year

Health Technology

Consumer Services

Profile

William A. Geist is currently Chief Executive Officer at ProteinSimple and President-Protein Sciences Segment at Bio-Techne Corp.
Former roles include Chief Operating Officer at Quanterix Corp.
from 2020 to 2021 and VP & General Manager-Protein & Cell Analysis at Thermo Fisher Scientific, Inc. in 2020.
Education includes undergraduate studies at Dartmouth College.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
BIO-TECHNE CORPORATION 0.01%	2025-11-02	20,503 ( 0.01% )	1 M $	2026-06-29

William Geist active positions

Companies	Position	Start
BIO-TECHNE CORPORATION	Corporate Officer/Principal	2022-01-02
ProteinSimple ProteinSimple Medical SpecialtiesHealth Technology Develops and commercializes proprietary systems and consumables for protein analysis	Chief Executive Officer	-

All active positions of William Geist

Former positions of William Geist

Companies	Position	End
QUANTERIX CORPORATION	Chief Operating Officer	2021-11-11
THERMO FISHER SCIENTIFIC, INC.	Corporate Officer/Principal	2020-10-31

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Training of William Geist

Experiences
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Linked companies

Private companies	5
Bio-Techne Corp. Bio-Techne Corp. BiotechnologyHealth Technology Manufactures and sells biological products	Health Technology
Quanterix Corp. Quanterix Corp. Medical SpecialtiesHealth Technology Develops and sells protein biomarker instruments that identify signatures in blood & tissue to provide insights to providers, patients and research organizations	Health Technology
Dartmouth College Dartmouth College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
ProteinSimple ProteinSimple Medical SpecialtiesHealth Technology Develops and commercializes proprietary systems and consumables for protein analysis	Health Technology
Thermo Fisher Scientific, Inc. Thermo Fisher Scientific, Inc. Medical SpecialtiesHealth Technology Develops, manufactures and markets analytical and environment monitoring instruments	Health Technology