News: HTG Harvest Technology Group Appoints Jeffrey Sengelman As Independent Non-Exec Chairman, page-3

He runs his own consultancy out of Canberra.

https://www.linkedin.com/in/jeff-sengelman/

In 2017 he was appointed a Director of EM Solutions P/L

EMS specialize in SATCOM design and engineering solutions for offshore communications and are, "Trusted by the Australian Border Force, the Royal Australian Navy and the US Government for reliable offshore communications. Most robust tracking terminal on the market offering both Military and Commercial bands in the one terminal. Maximise user data throughput with EM Solutions' COBRA."

https://www.emsolutions.com.au/

In October 2019, ENS were taken over by EOS.

https://www.australiandefence.com.au/business/eos-buys-em-solutions

Be interesting to see where this leads.

Bigger picture.