![Richard Nottenburg](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>)
Richard Nottenburg
Director/Board Member at
APPLIED DIGITAL CORPORATION
Net worth: 14 M $ as of 30/05/2026
Profile
Richard N.
Nottenburg was the founder of Multilink Technology Corp., founded in 1995, where the title held was President & Chief Executive Officer from 1995 to 2003.
Current jobs include Chairman at Q-Sensei Corp.
since 2014, Chairman at Nxbeam, Inc. since 2023, Chairman at Deeyook, Independent Director at Sequans Communications SA since 2016, Independent Director at ChronoScale Corp.
starting 2026, Independent Director at Applied Digital Corp.
since 2021, Independent Director at OTG Acquisition Corp.
I, and Director at ChronoScale Holdings Corp.
Former jobs include President, Chief Executive Officer & Director at Sonus, Inc., Ribbon Communications, Inc., and Sonus Networks, Inc. from 2008 to 2010; Chairman at Violin Memory, Inc. from 2014 to 2017; Director at Aeroflex, Inc. from 2010 to 2014; Director at Anaren, Inc. from 2014 to 2018; Director at Comverse Technology, Inc. from 2006 to 2011; Director at Microsemi Storage Solutions, Inc. in 2011; Director at Verint Systems, Inc. in 2011; Director at API; Independent Director at Aeroflex Holding Corp.
from 2010 to 2014; Director at CTI Ventures Corp.
from 2006 to 2010; Director at Semiconductor Industry Association; Director at Edgewater Wireless Systems, Inc. from 2019 to 2021; Director at Theatro Labs, Inc.; Director at PMC-Sierra US, Inc. from 2011 to 2016; Independent Director at Verint Systems, Inc. from 2013 to 2025; Independent Director at Cognyte Software Ltd. from 2021 to 2025; Executive VP, Chief Strategy & Technology Officer at Motorola, Inc. from 2004 to 2008; Vice President & General Manager at Microsemi Communications, Inc. in 2004; Executive Vice President at Motorola Solutions Venture Capital from 2004 to 2008; and Executive Partner at OceanSound Partners LP from 2018 to 2022.
Education includes a doctorate from École Polytechnique Fédérale de Lausanne, graduate studies at Colorado State University, and undergraduate studies at New York University Tandon School of Engineering.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 29/04/2026 | 208,378 ( 0.07% ) | 10 M $ | 30/05/2026 | |
0.14% | 13/05/2026 | 200,000 ( 0.14% ) | 4 M $ | 30/05/2026 |
| 22/04/2026 | 0 ( -.--% ) | - $ | 30/05/2026 |
Richard Nottenburg active positions
| Companies | Position | Start |
|---|---|---|
| SEQUANS COMMUNICATIONS S.A. | Director/Board Member | 27/06/2016 |
| APPLIED DIGITAL CORPORATION | Director/Board Member | 29/06/2021 |
Nxbeam, Inc.
 Nxbeam, Inc. Telecommunications EquipmentElectronic Technology Develops satellite communication and wireless data transmission products | Chairman | 31/01/2023 |
Deeyook
 Deeyook Specialty TelecommunicationsCommunications Provides wireless-based firmware solutions | Chairman | - |
Q-Sensei Corp.
 Q-Sensei Corp. Internet Software/ServicesTechnology Services Develops an enterprise search platform | Chairman | 27/01/2014 |
Former positions of Richard Nottenburg
| Companies | Position | End |
|---|---|---|
| VERINT SYSTEMS INC. | Director/Board Member | 25/11/2025 |
| COGNYTE SOFTWARE LTD. | Director/Board Member | 30/03/2025 |
OceanSound Partners LP
 OceanSound Partners LP Investment ManagersFinance OceanSound Partners invests in middle market companies located in North America with an enterprise value of up to USD 750 million. The firm focuses on technology and technology-enabled services companies. It participates primarily in founder-owned, carve-out, and public-to-private transactions. It acquires control interest. | Private Equity Investor | 01/09/2022 |
| EDGEWATER WIRELESS SYSTEMS INC. | Director/Board Member | 20/01/2021 |
| ░░░░░░ ░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
Training of Richard Nottenburg
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
79
1st degree connections
30
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 30 |
|---|---|
Aeroflex, Inc.
 Aeroflex, Inc. Electronic Equipment/InstrumentsElectronic Technology Designs, develops, manufactures and markets microelectronic and test and measurement products | Electronic Technology |
Anaren, Inc.
 Anaren, Inc. Telecommunications EquipmentElectronic Technology Designs, develops, manufactures, and sells complex microwave signal distribution networks | Electronic Technology |
Comverse Technology, Inc.
 Comverse Technology, Inc. Telecommunications EquipmentElectronic Technology Designs, develops, manufactures, markets, and supports computer and telecommunications systems and software for multimedia communications | Electronic Technology |
Motorola, Inc.
 Motorola, Inc. Telecommunications EquipmentElectronic Technology Develops communication and electronic solutions | Electronic Technology |
Microsemi Communications, Inc.
 Microsemi Communications, Inc. SemiconductorsElectronic Technology Designs, develops and markets integrated circuits used by manufacturers of networking systems for Carrier and Enterprise networking applications | Electronic Technology |
Microsemi Storage Solutions, Inc.
 Microsemi Storage Solutions, Inc. SemiconductorsElectronic Technology Manufactures semiconductors | Electronic Technology |
Sonus, Inc.
 Sonus, Inc. Information Technology ServicesTechnology Services Provides voice and data infrastructure solutions | Technology Services |
Multilink Technology Corp.
 Multilink Technology Corp. SemiconductorsElectronic Technology Designs, develops and markets integrated circuits and modules | Electronic Technology |
Verint Systems, Inc.
 Verint Systems, Inc. Packaged SoftwareTechnology Services Develops AI-based bots for enterprises | Technology Services |
Sequans Communications SA
 Sequans Communications SA SemiconductorsElectronic Technology Designs, develops and supplies 4G semiconductor solutions | Electronic Technology |
Violin Memory, Inc.
 Violin Memory, Inc. Computer PeripheralsElectronic Technology Provides persistent flash-based storage solutions | Electronic Technology |
API / Inmet, Inc.
 API / Inmet, Inc. Electronic ComponentsElectronic Technology Produces microelectronics and measurement equipment | Electronic Technology |
École Polytechnique Fédérale de Lausanne
 École Polytechnique Fédérale de Lausanne Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Colorado State University
 Colorado State University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Motorola Solutions Venture Capital
 Motorola Solutions Venture Capital Investment ManagersFinance Motorola Solutions Venture Capital invests in companies located across the globe. The firm targets companies operating in the fields of mission critical communications, video security & analytics and public safety workflow software sectors. It provides financing for early stage capital requirements. | Finance |
Aeroflex Holding Corp.
 Aeroflex Holding Corp. Electronic Equipment/InstrumentsElectronic Technology Operates as a holding company with interests in businesses which design, develops, manufactures and markets test, measurement and microelectronic products | Electronic Technology |
CTI Ventures Corp.
 CTI Ventures Corp. Investment ManagersFinance CTI Ventures Corp. focuses on investments in the communications sector including value-added messaging, personalized data, content-based services and real-time converged billing solutions. | Finance |
New York University Tandon School of Engineering
 New York University Tandon School of Engineering Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Applied Digital Corp.
 Applied Digital Corp. Data Processing ServicesTechnology Services Designs, develops and operates datacenters | Technology Services |
Q-Sensei Corp.
Q-Sensei Corp. Internet Software/ServicesTechnology Services Develops an enterprise search platform | Technology Services |
Semiconductor Industry Association
 Semiconductor Industry Association Miscellaneous Commercial ServicesCommercial Services Operates association for the semiconductor industry | Commercial Services |
Edgewater Wireless Systems, Inc.
 Edgewater Wireless Systems, Inc. Telecommunications EquipmentElectronic Technology Develops and commercializes technologies and intellectual property for the wireless communications market | Electronic Technology |
Theatro Labs, Inc.
 Theatro Labs, Inc. Packaged SoftwareTechnology Services Develops AI and voice-powered communication & digital workflow software for frontline workers | Technology Services |
PMC-Sierra US, Inc.
 PMC-Sierra US, Inc. SemiconductorsElectronic Technology Develops semiconductors for broadband fiber access networks | Electronic Technology |
Ribbon Communications, Inc.
 Ribbon Communications, Inc. Packaged SoftwareTechnology Services Develops communications software and provides cloud network solutions | Technology Services |
Nxbeam, Inc.
Nxbeam, Inc. Telecommunications EquipmentElectronic Technology Develops satellite communication and wireless data transmission products | Electronic Technology |
Sonus Networks, Inc.
 Sonus Networks, Inc. Telecommunications EquipmentElectronic Technology Part of Ribbon Communications, Inc., Sonus Networks, Inc. is a provider of advanced voice, IP, and optical networking solutions serving service providers, enterprises, and critical infrastructure sectors worldwide. The company is based in Boston, MA. The company offers a portfolio that includes session border controllers, IP routing and optical systems, media gateways, communication platforms, and intelligent edge solutions with SD-WAN, policy, and routing capabilities. Its products support secure, unified, and reliable communications across industries such as financial services, government, education, healthcare, utilities, transportation, and defense. The session border controller portfolio features hardware appliances, virtualized software, and cloud-native microservices-based editions designed for scalability, high availability, and security, enabling secure SIP trunking, cloud-to-cloud connectivity, and integration with unified communications platforms. IP routing solutions deliver automated and programmable routing optimized for next-generation networks with native 5G capabilities, supporting technologies such as IP/MPLS, segment routing, and layer 2/3 VPNs. Optical networking products provide secure, high-capacity, low-latency transport solutions tailored for critical infrastructure and industries like rail. The company emphasizes cloud-native architectures, automation, and AI-driven network management to enhance operational efficiency, service velocity, and network performance. Its solutions facilitate digital transformation, secure cloud migration, and hybrid work environments while reducing operational complexity and costs. | Electronic Technology |
OceanSound Partners LP
OceanSound Partners LP Investment ManagersFinance OceanSound Partners invests in middle market companies located in North America with an enterprise value of up to USD 750 million. The firm focuses on technology and technology-enabled services companies. It participates primarily in founder-owned, carve-out, and public-to-private transactions. It acquires control interest. | Finance |
Cognyte Software Ltd.
 Cognyte Software Ltd. Packaged SoftwareTechnology Services Develops security analytics software | Technology Services |
Deeyook
Deeyook Specialty TelecommunicationsCommunications Provides wireless-based firmware solutions | Communications |
- Stock Market
- Insiders
- Richard Nottenburg
Choose MarketScreener 
