![John Kritzmacher](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
John Kritzmacher
Director/Board Member at
INTERDIGITAL, INC.
Net worth: 5 M $ as of 2026-06-29
Profile
John Anthony Kritzmacher currently serves as Independent Director at InterDigital, Inc. since 2009 and at Unisys Corp.
since 2022.
He holds director positions at Blackwell Science Ltd., Wiley Europe Ltd., Blackwell Science (Overseas Holdings) Ltd., Wiley Heyden Ltd., Blackwell Publishing Holdings Ltd., Wiley Europe Investment Holdings Ltd., J Wiley Ltd., Madgex Ltd. since 2020, CrossKnowledge Group Ltd., and PIIEU Ltd. Former roles include Independent Director at Kroll LLC from 2012 to 2013, Director at John Wiley & Sons Ltd. from 2014 to 2021, Independent Non-Executive Director at InfraServices Group from 2022 to 2023, Chief Financial Officer & Executive VP-Operations at John Wiley & Sons, Inc. from 2020 to 2021, Chief Financial Officer & Executive Vice President at Level 3 GC Ltd. from 2008 to 2011, SVP-Business Operations & Organizational Planning at WebMD Health Corp.
from 2012 to 2013, Chief Operating Officer-Services Business Group at Nokia of America Corp.
from 2007 to 2008, and Senior Vice President & Corporate Controller at Lucent Technologies, Inc. Education includes undergraduate studies at Dartmouth College and an MBA from The Leonard N Stern School of Business.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
INTERDIGITAL, INC. 0.06% | 2026-07-21 | 16,361 ( 0.06% ) | 5 M $ | 2026-06-29 |
UNISYS CORPORATION 0.29% | 2026-03-01 | 209,839 ( 0.29% ) | 768 011 $ | 2026-06-29 |
John Kritzmacher active positions
| Companies | Position | Start |
|---|---|---|
| INTERDIGITAL, INC. | Director/Board Member | 2009-06-21 |
| UNISYS CORPORATION | Director/Board Member | 2022-12-12 |
Wiley Europe Ltd.
 Wiley Europe Ltd. Publishing: Books/MagazinesConsumer Services Publishes journals, books and electronic products | Director/Board Member | 2014-06-15 |
Madgex Ltd.
 Madgex Ltd. Information Technology ServicesTechnology Services Provides software solutions support services | Director/Board Member | 2020-03-01 |
Blackwell Science Ltd.
 Blackwell Science Ltd. Publishing: Books/MagazinesConsumer Services Publishes periodicals and books | Director/Board Member | 2014-06-15 |
PIIEU Ltd.
 PIIEU Ltd. Miscellaneous Commercial ServicesCommercial Services Provides management consultancy services | Director/Board Member | 2014-09-30 |
CrossKnowledge Group Ltd.
 CrossKnowledge Group Ltd. Internet Software/ServicesTechnology Services Provides an online learning services | Director/Board Member | 2014-04-30 |
J Wiley Ltd.
 J Wiley Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Director/Board Member | 2014-06-15 |
Blackwell Science (Overseas Holdings) Ltd.
 Blackwell Science (Overseas Holdings) Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Director/Board Member | - |
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Former positions of John Kritzmacher
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Training of John Kritzmacher
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
49
1st degree connections
22
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 22 |
|---|---|
InterDigital, Inc.
 InterDigital, Inc. Packaged SoftwareTechnology Services Designs, develops and provides advanced wireless technologies | Technology Services |
Unisys Corp.
 Unisys Corp. Information Technology ServicesTechnology Services Provides information technology services | Technology Services |
John Wiley & Sons, Inc.
 John Wiley & Sons, Inc. Publishing: Books/MagazinesConsumer Services Publishes scientific, technical, medical and scholarly journals | Consumer Services |
Lucent Technologies, Inc.
 Lucent Technologies, Inc. Telecommunications EquipmentElectronic Technology Designs and builds a wide range of public and private networks, communications systems and software, and data networking systems, as well as telephone systems and microelectronic components | Electronic Technology |
Level 3 GC Ltd.
 Level 3 GC Ltd. Specialty TelecommunicationsCommunications Provides telecommunications solutions | Communications |
WebMD Health Corp.
 WebMD Health Corp. Internet Software/ServicesTechnology Services Provides digital health information, medical education, clinical assessment and patient education services | Technology Services |
Dartmouth College
 Dartmouth College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Kroll LLC
 Kroll LLC Financial ConglomeratesFinance Provides financial and risk advisory solutions | Finance |
John Wiley & Sons Ltd.
 John Wiley & Sons Ltd. Publishing: Books/MagazinesConsumer Services Publishes books in both print and electronic format | Consumer Services |
Blackwell Science Ltd.
Blackwell Science Ltd. Publishing: Books/MagazinesConsumer Services Publishes periodicals and books | Consumer Services |
Wiley Europe Ltd.
Wiley Europe Ltd. Publishing: Books/MagazinesConsumer Services Publishes journals, books and electronic products | Consumer Services |
Nokia of America Corp.
 Nokia of America Corp. Wireless TelecommunicationsCommunications Provides wireless communication services | Communications |
Blackwell Science (Overseas Holdings) Ltd.
Blackwell Science (Overseas Holdings) Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Wiley Heyden Ltd.
 Wiley Heyden Ltd. Publishing: Books/MagazinesConsumer Services Provides books and periodicals publishing services | Consumer Services |
Blackwell Publishing Holdings Ltd.
 Blackwell Publishing Holdings Ltd. Publishing: Books/MagazinesConsumer Services Provides books and pamphlets publishing services | Consumer Services |
Wiley Europe Investment Holdings Ltd.
 Wiley Europe Investment Holdings Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
The Leonard N Stern School of Business
 The Leonard N Stern School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
J Wiley Ltd.
J Wiley Ltd. Financial ConglomeratesFinance Functions as an investment holding company | Finance |
Madgex Ltd.
Madgex Ltd. Information Technology ServicesTechnology Services Provides software solutions support services | Technology Services |
CrossKnowledge Group Ltd.
CrossKnowledge Group Ltd. Internet Software/ServicesTechnology Services Provides an online learning services | Technology Services |
PIIEU Ltd.
PIIEU Ltd. Miscellaneous Commercial ServicesCommercial Services Provides management consultancy services | Commercial Services |
QualTek Services, Inc.
 QualTek Services, Inc. Engineering & ConstructionIndustrial Services Provides wireless infrastructure contracting services | Industrial Services |
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