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selectIon, Inc.

San Diego, CA
LAST FUNDING
$5.4M
Series A

selectION Therapeutics' si-544 is a first-in-class Kv1.3 blocker and the first disease modifying treatment for T cell autoimmunity. Autoimmunity affects millions worldwide, but current treatments leave the root cause untouched. si-544 is the first therapy to safely and selectively deactivate disease-causing T cells, while preserving immune competence.

Funding history

DateRoundAmountInvestorsSource
Series A$5.4M

About selectIon, Inc.

How much funding has selectIon, Inc. raised?

selectIon, Inc. has raised $5.4M in total funding. The most recent round was Series A.

Where is selectIon, Inc. headquartered?

selectIon, Inc. is headquartered in San Diego, CA.

What does selectIon, Inc. do?

selectION Therapeutics' si-544 is a first-in-class Kv1.3 blocker and the first disease modifying treatment for T cell autoimmunity. Autoimmunity affects millions worldwide, but current treatments leave the root cause untouched. si-544 is the first therapy to safely and selectively deactivate disease-causing T cells, while preserving immune competence.

What problem does selectIon, Inc. solve?

Current autoimmune disease treatments rely on broad immunosuppression that manages symptoms but leaves the root cause untouched, forcing patients into a lifetime of treatment and immunosuppression-related risk.

What's selectIon, Inc.'s solution?

selectION is developing si-544, a drug that selectively blocks the Kv1.3 potassium channel to deactivate disease-causing T cells while preserving the rest of the immune system.

What makes selectIon, Inc. different?

The company calls si-544 the first-in-class Kv1.3 blocker and the first safe and effective one in 40+ years of research on this target, with potential application across 80+ autoimmune indications.

What makes selectIon, Inc. notable?

Founded by Andreas Klostermann in 2017, this autoimmune-disease biotech has raised roughly $36M (including a $4.1M Series A) from investors such as Global Source Ventures and SDL Ventures, and is led by CEO Antonius Schuh, a veteran pharma executive.

Leadership

Antonius Schuh
Executive Officer, Director
Stephen Zaniboni
Executive Officer
LinkedIn ↗
Michael Foster
Director
Cam Gallagher
Director
Don Scifres
Director
Mark Wiggins
Director
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Free to use in articles, research, and reference works. Stable URL, will not change. Data on this page last updated August 26, 2026.

MLA
"selectIon, Inc.: Funding & Investors." SoCal.Startups, August 26, 2026, https://socalstartups.io/companies/city/san-diego/healthcare/selection-inc. Accessed August 27, 2026.
APA
SoCal.Startups. (2026). selectIon, Inc.: Funding & Investors. Retrieved August 27, 2026, from https://socalstartups.io/companies/city/san-diego/healthcare/selection-inc
WIKIPEDIA (CITE WEB)
{{cite web |title=selectIon, Inc.: Funding & Investors |url=https://socalstartups.io/companies/city/san-diego/healthcare/selection-inc |website=SoCal.Startups |access-date=August 27, 2026}}