Zierten's initial 2018 Cornell team broke the program record for season winning percentage with a 7-7 overall record. The Rams went 4-5 in the Midwest Lacrosse Conference.

Zierten came to the Hilltop after two successful seasons as defensive coordinator/goalies coach at NAIA’s Siena Heights University in Adrian, Mich.

Zierten was a three-year starting goalie and two-time team captain at Kean (Union, N.J.) University from 2010-13. He brings four years of coaching experience, the past two assisting a nationally-ranked Siena Heights squad.

Siena Heights’ 2017 squad went 7-3, ranked fourth nationally in goals allowed per game (7.8) and was also among the nation’s best with an .875 man-down percentage for the season. Zierten’s goalie, Tyler Hooper, earned second team all-America honors and twice was tabbed National Defensive Player of the Week.

In 2016, Zierten helped guide Siena Heights to the semifinals of the NAIA Tournament and a No. 4 final national ranking. That 13-7 team was crowned CCLA West Division champions and also appeared in the MCLA National Tournament.

Zierten coached four all-Americans and nine all-conference performers during his brief stint at Siena Heights. The honorees featured an MCLA First Team All-American defenseman in 2016.

As a player at Kean University, Zierten was part of a strong program that reached the conference championship game three of four years. During his 2013 senior season, the Cougars broke the school record for wins with a 15-3 mark.

Zierten received his bachelor’s degree in chemistry from Kean in 2014.

Zierten was an assistant coach at New Jersey high schools Jackson Memorial (2013-14) and Ridge (2014-15). He coached two goalies committed to NCAA Division I programs.