Ultra Speakers Bureau | all speakers

Dr Andrew Puryear

Other key appointments
Ultra Group Executive Team member

Dr Andrew Puryear is responsible for the Ultra group’s technology strategy and global research and development to innovate emergent, disruptive, and convergent technologies for a safer tomorrow. Dr Puryear has a background in electrical and computer engineering as well as extensive technology leadership experience in aerospace and defence.

Dr Puryear is the Chairman of the newly formed US Department of Commerce Emerging Technology Technical Advisory Committee (ETTAC), where he advises the department on emergent technology with potential dual-use applications in their developmental stages both within the United States and abroad. He has served in the US Navy Reserves since 2012 as a warfare qualified Engineering Duty Officer and a founding member of a specialized detachment within the Navy Cyber Warfare Group focused on rapidly surfacing new capabilities in cyberspace.

Prior to joining Ultra Electronics, Dr Puryear was the Director of Cyber Strategy and Execution at the MITRE Corporation. Dr Puryear graduated first in his class from MIT with a Ph.D. in electrical engineering with specialties in information theory, analytics, and cryptography. He holds an MS in electrical engineering from Stanford and a BS in electrical engineering, summa cum laude, from Texas A&M.

Areas of expertise:

Innovation management

Defence industry trends

Research and development

Artificial Intelligence / Machine Learning

Wireless communications

Optical communications

Advanced RF


Chris Guo

Other key appointments
Ultra Fellow (2021)

Chris Guo is a renowned expert in the application of cryptographic algorithms for security functionality, with over 20 years’ experience in product security validation and verification. He leads the Ultra Cyber division’s product development, drawing on his deep understanding of threat analysis and modelling-driven security design to ensure they meet our customers’ rigorous cyber security and risk management requirements.

Areas of expertise:

  • Cybersecurity
  • Cryptography
  • Security validation and verification
  • Threat analysis

Dominique Dubouil

Other key appointments
Ultra Fellow (2021)

Dominique has spent 30 years developing complex RF components, with a specific focus on electromagnetic RF filters and high efficiency HPA. His work enables state-of-the-art RF performance that sits at the core of high-end military communications systems. His expertise in high precision mechanical structures and software algorithms is a key driver of Specialist RF’s product development.

Areas of expertise:

  • Tactical communications
  • Electromagnetic RF
  • High precision mechanics
  • Algorithms

Howard Ebersman

Other key appointments
Ultra Fellow (2021)

Howard Ebersman is the Chief Scientist for the receiver division of our Sonobuoy Systems business unit, responsible for the development of aircraft-based and software-defined sonobuoy receivers. His work has included developments such as the enablement of High altitude ASW through the implementation RF interference mitigation. As a key contributor and subject matter expert to both the NATO SG90 and SG250 working groups, he plays a vital role in defining and driving the next generation of sonobuoy capabilities across the US and Europe.

Areas of expertise:

  • Anti-submarine warfare
  • Software-defined systems
  • Sonobuoys
  • Advanced radio frequency technologies

Jefferson Ridgway

Other key appointments
Ultra Fellow (2021)

Jefferson holds a PhD in Theoretical Particle Physics and is considered one of the UK’s leading experts in nuclear reactor neutron measurement and radiation protection, having provided numerous lectures and briefings to UK regulators on the subject. He was a key contributor to the development of an award-winning bespoke manufacturing and radiation test facility for neutron flux detectors, supporting the life extensions of UK AGR nuclear power stations.

Joanne Roberts

Other key appointments
Ultra Fellow (2021)

Joanne Roberts is an expert in automatic target recognition and was an early figure in the use of neural networks, Machine Learning and Artificial Intelligence techniques, having deployed one of the earliest examples of functional AI/ML on a production airborne platform. As Director of Capability Management for Ultra Sonar, she is responsible for the integration of intelligent processing across our sonar products.

Areas of expertise:

  • Artificial Intelligence / Machine Learning
  • Target recognition
  • Intelligent processing

Olivier Belsin

Other key appointments
Ultra Fellow (2021)

Olivier is a renowned expert in acoustics, serving as an acoustic engineer in the French Navy before spending almost a decade working on mine hunting sonar, sonobuoy processors and satellite communications systems. He has also held the position of adjunct professor in the Mechanical Engineering department of Sherbrooke University. He is the holder of five patents and as Principal Designer at Sonar Systems he introduced the use of finite element modelling to Ultra.

Tim Rorick

Other key appointments
Ultra Fellow (2021)

Tim has nearly 35 years experience in the design, development, testing and manufacturing of active and passive ASW systems.   He has pushed the state of the art in transducer technology with innovative design solutions that address the ever-increasing threat from technologically advanced adversaries. His transducer designs support all active and passive sonobuoys currently in production at Ultra’s Columbia City facility.

Tony White

Other key appointments
Ultra Fellow (2021)

Tony is an Ultra veteran of nearly 21 years, during which time he has led the creation of platform solutions for a number of Land programmes and co-authored international standards for vehicle, soldier and base architectures. He is considered Ultra’s foremost land systems expert, and is a familiar face across the UK MoD, US DoD, Australian MoD, Nato and all of our prime partners. In 2014 he launched a small R&D project that went on to become UltraLYNX, our industry-leading solider-worn system integration solution.

Areas of expertise:

  • Edge wearable technology
  • Open architectures
  • Combat vehicles
  • Power management

Mohamad Zahzah

Mo Zahzah is a leading figure in the development of solutions for signature and power management. He has been a key investigator in the development of various technologies, products, and subsystems for the US navy, including Signature Management and Control Systems Design, Power Management, Hybrid Electric Drives (HED), Solid State Quiet Switches (SSQS) & Solid-State Voltage Frequency Converters for JSF Aircraft. He previously held the position of adjunct professor in the Electrical & Computer Science department at California Long Beach State University (CSULB). As Chief Technology Officer of our Signature Management & Power business unit in our Maritime division, Mo is responsible for long-term strategic planning, technology roadmap development, and IR&D formulation.

Areas of Expertise:

  • Control system design
  • Power management & distribution for maritime nuclear navy applications
  • Signature management for surface and subsurface applications
  • Power system(s) architecture
  • Open architecturs

Request a Speaker

To request an Ultra speaker for your event click the link below to fill out a short form. One of our team will be in touch shortly.

Request form

Ultra Speakers Bureau request form

Sign up for download access

Please submit your details below to access our downloads.

I'm happy for you to contact me

View our privacy policy
Not now