Production and Design

  • David Crabb

    David Crabb

    Chief Engineer

    David joined Arrayjet in 2017 to head up the Development and Production functions.  Most of his focus is on defining and managing the development and launch processes and leading the team to develop the next generation of Arrayjet instruments.  He is also responsible for reviewing current procedures and expanding the department to ensure Arrayjet is ready to accept new challenges, championing engineering and operational excellence to reflect the requirements of a growing business.  David’s background is varied and covers predominantly engineering, operations, and programme management in a variety of global electronics companies. 

    David enjoys skiing and curling in the winter, and sails a lot in the summer months - when weather permits!

  • Barry Butters

    Barry Butters

    Production Manager

    Barry joined Arrayjet in April 2004 and was originally tasked with transitioning the prototype development instrument to a commercially producible instrument.  He now oversees all aspects of the production process of the microarray instruments and associated equipment.  Barry also oversees all parts procurement for Arrayjet Marathon instruments as well as the incoming quality goods inspection. Another important aspect of his role is the close collaboration with research & development departments ensuring that any design changes or upcoming developments have a smooth transition to the production process.

    In the little spare time he has, Barry enjoys scuba diving as well as spending time with his family and long dog walks in the beautiful surrounding countryside.

  • Marisa Chong Kwan

    Marisa Chong Kwan

    Senior Development Scientist

    Marisa joined Arrayjet in June 2008 and was integral in creating the Application Science team within the company.  Her main role at Arrayjet has been in the development and optimisation of protocols to adapt the technology to new applications, including the formulation of specific printing buffers, protocols for post-processing and optimisation of customers’ assays.  

    Marisa has a strong research background and is a highly versatile scientist, able to adapt and understand a wide range of subjects and develop protocols where interdisciplinary knowledge is needed.  She spent seven years at the Scottish National Blood Transfusion Centre (SNBTS).  Marisa also had a key role in collaborative microarray projects between the Genomics Technology and Informatics Department of the University of Edinburgh, Alba Bioscience and SNBTS. She holds an Honours degree in Pharmacy (University of Granada, Spain) and an MSc in Biotechnology (University of Strathclyde).

  • Joan Salvatella

    Joan Salvatella

    Software and Hardware Engineering Lead

    Joan joined Arrayjet in June 2015.  His role as Software and Hardware Engineering Lead as part of the development team involves developing new features and products for our printers as well as improving the existing ones.  The most challenging and enjoyable part of his role has been the development of Arrayjet's Optical QC system, the Iris, where he has to integrate our software to be compatible with printing.  Prior to that Joan worked as an IT consultant in his home city of Barcelona, and graduated in Computer Engineering.  He also enjoyed the opportunity to study an MSc in Embedded and Intelligent Systems during one year in Sweden as a part of the Erasmus program.  

    In his spare time, he enjoys surfing, travelling and discovering new places and visiting friends and family.

  • Nicholas Wiecek

    Nicholas Wiecek

    Software Engineer

    Nicholas joined the Development team at Arrayjet after graduating from Heriot-Watt University with an MSc in Artificial Intelligence.  As a Software Engineer, Nicholas focuses on extending and improving the capabilities of the company’s instruments.  He has an inquisitive mind and enjoys learning new skills as part of his role.

    In his spare time, he can be found making sourdough bread and tree nut cheese.

  • Alasdair White

    Alasdair White

    Hardware Engineer

    Alasdair graduated from the University of Strathclyde in 2014 with a BEng in Electrical and Electronics Engineering.  After graduation, he worked as a Systems Engineer for NCR Corporation, a role that transitioned him into an Electronic Hardware Engineer role working on one of the company’s main electromechanical devices.

    Alasdair joined Arrayjet in 2019 as Hardware Engineer and focuses on developing new electronic features for the instruments and developing the firmware to accompany the hardware changes.  Alasdair is passionate about creating new solutions to problems using electronics/firmware, the interaction between the hardware, firmware & software, taking on new challenges & learning new skills.   

    Outside of work, Alasdair enjoys mountain biking, country walks and developing his own motorsport electronics.

  • Craig Milton

    Craig Milton

    QC & Development Engineer

    Craig joined Arrayjet in April 2001 and was the first employee after the company founder.  His key role over the years has been in design, research, and development which he enjoys very much.  Craig studied Engineering Design at Adam Smith College in Fife and completed a Mechanical Design Engineering Apprenticeship with the American electronics company Bourns.  Over the years he has been involved in many aspects of design and production.  Craig was the principle Design Engineer responsible for the climate control potentiometer which is fitted on many production motor cars throughout the world.  

    Craig's wife, Ann, is an Artisan jeweller and they have two young daughters named Elspeth and Matilda who not surprisingly both adore art and design.  In his spare time, Craig enjoys writing, recording and performing music.

  • Peter Thomson

    Peter Thomson

    Senior Production and Service Engineer

    Peter has been part of the Arrayjet team since 2010 and works with the Production team to ensure microarray printers are built to exceptional quality standards.  Peter also maintains the Arrayjet Advance instruments, carrying out regular maintenance and QC checks so that customer projects can be reliably completed in a timely manner.

    Outside of work, Peter enjoys fishing, supporting the Midlothian Boxing Club and spending time with his family.

  • Alan Black

    Alan Black

    Senior Production Engineer

    Alan joined Arrayjet in July 2008.  He is responsible for building our Marathon instruments and components and enjoys the challenges and demands of meeting customer expectations and deadlines.  Alan spent 26 years working at Hewlett Packard / Agilent Technologies starting in a metal fabrication role and progressing to instrument assembly and testing.  He obtained an Open University BSc degree studying Mathematical Sciences.  

    Alan is married with five daughters, three grandchildren, and his interests are wide and varied, from photography, cruising the world and gardening, as well as spending time with his family.

  • Fred Wood

    Fred Wood

    Production Engineer

    Fred's responsibility at Arrayjet is to custom-build microarrayers to customer specifications.  He has worked in electronics most of his life, starting in Ferranti Ltd, assembling and testing Laser Target Markers, before spending time in the Production line at Hughes Aircraft Corp, testing and fault finding Large Scale Integration devices, then Burr-Brown on their Microelectronics Production Line.  Fred also worked for Kvaerner Oilfield Products as Group leader for Subsea Equipment Module Production.