Our Senior Team

The Xi team are vibration and acoustic scientists and engineers operating at the top of their game. With powerful academic credentials and an enviable track record we are exactly the sort of people you would want augmenting your own engineering team.

Donald Black

Donald Black MEng, MInstLM, AMIMechE joined the engineering team at Xi in 2004 whilst still an undergraduate at Edinburgh University where he qualified in 2005 with a 1st class honours degree in Mechanical Engineering.

As a consultant specialist in noise and vibration Donald has provided solutions for a wide range industries and sectors including, renewable energy, marine, semi-conductor, automotive, oil &  gas, construction and civil engineering.  Working closely with an equally wide range of clients from small local companies to large internationals he provides the most efficient and effective solutions.

Representing his engineering capability as an Associate Member of the Institute of Mechanical Engineers, Donald is also a member of the Instutute of Leadership & Management in recognition of both his project managment on engineering projects but also from his time running a local Scout unit.  

In Donald’s role as a design engineer he has have worked on both large scale and small scale designs.  From developing large support structures for wind turbines and Tuned Mass Dampers to smaller scale plastic and product design.  In this role working as lead mechanical engineer, Donald created the Industry leading HAVmeter, a device for monitoring personal Hand Arm Vibration exposure for workers the construction industry.


Vibration measurement and acquisition, data analysis and signal processing, CAD, design, plastic design, finite element analysis.