Johan Löf

Founder at RAYSEARCH LABORATORIES AB

Net worth: 66 M $ as of 2026-08-30

57 year

35 connections

Consumer Services

Technology Services

Finance

Profile

Johan Löf is the founder of RaySearch Laboratories AB, established in 2000, holding the titles of President, Chief Executive Officer & Director.
Current jobs include Chairman at Venture Cup Ost and Vinstandelsstiftelsen Rayfoundation; Director at RayIncentive AB, Venture Cup Foundation, RaySearch Americas, Inc., RaySearch UK Ltd., and RaySearch Singapore Pte Ltd. Education history includes a doctorate from Karolinska Institutet and a graduate degree from Royal Institute of Technology.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
RAYSEARCH LABORATORIES AB 40.72%	2026-08-19	3,443,084 ( 40.72% )	65 M $	2026-08-30
RAYSEARCH LABORATORIES AB CLASS B 0.22%	2026-08-19	68,393 ( 0.22% )	1 M $	2026-08-30

Johan Löf active positions

Companies	Position	Start
RAYSEARCH LABORATORIES AB	Founder	1999-12-31
RayIncentive AB RayIncentive AB Investment ManagersFinance Functions as an Employee Stock Ownership Plan	Director/Board Member	2010-05-12
RaySearch Americas, Inc. RaySearch Americas, Inc. Agricultural Commodities/MillingProcess Industries Part of RaySearch Laboratories AB, RaySearch Americas, Inc. is a Swedish company that specializes in software for radiation therapy and oncology. The company is a world leader in this field and have supported over 2,600 clinics worldwide in the fight against cancer. The company's software is considered the driving force for innovation in oncologists and is used to optimize radiation therapy. RaySearch works closely with leading cancer centers to bring scientific advancements to the clinical world. The company is based in Garden City, NY.	Director/Board Member	-
Raysearch UK Ltd.	Director/Board Member	-
Vinstandelsstiftelsen Rayfoundation Vinstandelsstiftelsen Rayfoundation Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment	Chairman	-
Venture Cup Foundation	Director/Board Member	-
RaySearch Singapore Pte Ltd.	Director/Board Member	-
Venture Cup Ost	Chairman	-

All active positions of Johan Löf

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Linked companies

Private companies	10
RaySearch Laboratories AB RaySearch Laboratories AB Packaged SoftwareTechnology Services Supplies computer software that improves the efficacy of radiation therapy for cancer	Technology Services
Karolinska Institutet Karolinska Institutet Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
RayIncentive AB RayIncentive AB Investment ManagersFinance Functions as an Employee Stock Ownership Plan	Finance
Royal Institute of Technology Royal Institute of Technology Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Venture Cup Foundation
Venture Cup Ost
RaySearch Americas, Inc. RaySearch Americas, Inc. Agricultural Commodities/MillingProcess Industries Part of RaySearch Laboratories AB, RaySearch Americas, Inc. is a Swedish company that specializes in software for radiation therapy and oncology. The company is a world leader in this field and have supported over 2,600 clinics worldwide in the fight against cancer. The company's software is considered the driving force for innovation in oncologists and is used to optimize radiation therapy. RaySearch works closely with leading cancer centers to bring scientific advancements to the clinical world. The company is based in Garden City, NY.	Process Industries
Raysearch UK Ltd.
Vinstandelsstiftelsen Rayfoundation Vinstandelsstiftelsen Rayfoundation Investment Trusts/Mutual FundsMiscellaneous Functions as a foundation or endowment	Miscellaneous
RaySearch Singapore Pte Ltd.