Alberto Gonzalez, head of the state's DMV, now leads the Idaho Office of Information Technology Services after the departure of Jeff Weak.
Alexandra Winkler, who's worked for Deloitte and Sabel Systems Technology Solutions, has been nominated for the city's top technology role.
Gov. Brad Little created a 19-member group of IT officials, lawmakers, tech executives and others to advise state government on information security.
Tresh, who retired from the California state government in 2018, said he wants to help Idaho's agencies improve their cybersecurity postures and attract new talent.
Arizona, Hawaii, Idaho, Minnesota, Nevada and Virginia will spend the next six months studying election security to come up with plans ahead of the 2020 election.