The Wisconsin Team

Director Engineering

Der Vang

Der Vang joined Holu Hou Energy in April of 2019 as a Director of Engineer. He currently leads the hardware development of the Holu Hou Single / Multifamily Home Energy System to best serve the renewable and advanced energy management markets, leading the certification process of products through NRTL and overseeing product design for compliance with other applicable codes and standards. Mr. Vang also acts as the technical interface and coordinates all product hardware design activities with vendors, marketing & field technicians.


Prior to joining Holu Hou, Mr. Vang worked in the renewable field for 9 years where he led the release of three renewable systems through UL.  He also designed and serviced energy storage solutions in shipping containers. 


Mr Vang also worked in General Electric where he engineered & integrated controls for Oil & Gas compressor system.  In addition to his 2.5 years at GE, he also was involved with sales in China and served as a supply chain auditor.  Mr. Vang holds a BS degree in Electrical Engineering from the University of Wisconsin-Platteville.

Director Software Engineering

Romano Pauli

Romano Paul joined Holu Hou Energy in March of 2019 as the Director of Software. He has more than 20 years of software engineering development and engineering management experience. His work experience includes Ensync Energy System, Plexus, Duncan Technologies, Logic Design Corp, and Quad/Tech Inc.


Through all of these roles he has worked on every area of software from embedded control logic to server data analytics, though his primary focus has been controls and communications.


Romano has a Bachelor’s of Science in Computer Science from Michigan Technological University, a Master’s in Business Administration from Keller Graduate School of Management and is a certified Scrum Master. 

Senior Software Engineer

Jeff Woods

Jeff joined Holu Hou Energy in March of 2019 as a Senior Software Engineer.