Michael Schaffer

No open positions remaining

Net worth: 51 418 $ as of 30/04/2026

81 year

26 connections

Commercial Services

Miscellaneous

Health Services

Profile

Michael I.
Schaffer worked as a Toxicology Director & Technical Manager at SmithKline Beecham Clinical Laboratories from 1990 to 1999.
He was also the Director of the American Board of Forensic Toxicologists during the same period.
From 1999 to 2008, he worked as a Portfolio Manager at Howard Hughes Medical Institute, Inc. (Investment Management).
Since 1999, he has been the Vice President-Laboratory Operations at Psychemedics Corp.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
PSYCHEMEDICS CORPORATION 0.41%	24/03/2025	25,329 ( 0.41% )	51 418 $	30/04/2026

Former positions of Michael Schaffer

Companies	Position	End
PSYCHEMEDICS CORPORATION	Corporate Officer/Principal	03/11/2023
Howard Hughes Medical Institute, Inc. (Investment Management) Howard Hughes Medical Institute, Inc. (Investment Management) Investment Trusts/Mutual FundsMiscellaneous HHMI-IM’s long-term investment objective is to maintain the inflation-adjusted value of investment returns, consistent with their research and grant program plans. While the returns needed to accomplish these purposes may not be achieved every year, it is anticipated that over time the constant dollar value of the endowment will be preserved, enabling program commitments to be continued, protected against the effects of inflation. Their endowment is managed under the direction of the Vice President and Chief Investment Officer with approximately 48% being managed in-house and the remainder managed by outside organizations.	Portfolio Manager-Fixed Income	31/03/2008
SmithKline Beecham Clinical Laboratories SmithKline Beecham Clinical Laboratories Miscellaneous Commercial ServicesCommercial Services Provides diagnostic services, testing, and information	Chief Tech/Sci/R&D Officer	01/01/1999
American Board of Forensic Toxicologists American Board of Forensic Toxicologists Miscellaneous Commercial ServicesCommercial Services American Board of Forensic Toxicologists is a company based in Colorado Springs, CO.	Director/Board Member	01/01/1999

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Linked companies

Private companies	4
Howard Hughes Medical Institute, Inc. (Investment Management) Howard Hughes Medical Institute, Inc. (Investment Management) Investment Trusts/Mutual FundsMiscellaneous HHMI-IM’s long-term investment objective is to maintain the inflation-adjusted value of investment returns, consistent with their research and grant program plans. While the returns needed to accomplish these purposes may not be achieved every year, it is anticipated that over time the constant dollar value of the endowment will be preserved, enabling program commitments to be continued, protected against the effects of inflation. Their endowment is managed under the direction of the Vice President and Chief Investment Officer with approximately 48% being managed in-house and the remainder managed by outside organizations.	Miscellaneous
Psychemedics Corp. Psychemedics Corp. Services to the Health IndustryHealth Services Provides drug testing services through hair samples analysis	Health Services
SmithKline Beecham Clinical Laboratories SmithKline Beecham Clinical Laboratories Miscellaneous Commercial ServicesCommercial Services Provides diagnostic services, testing, and information	Commercial Services
American Board of Forensic Toxicologists American Board of Forensic Toxicologists Miscellaneous Commercial ServicesCommercial Services American Board of Forensic Toxicologists is a company based in Colorado Springs, CO.	Commercial Services