Former ACNA Lay Pastor Charged with Additional Sexual Assault Felonies

By Kathryn Post
Mark Rivera ACNA
Booking photos of Mark Rivera. (Photo: Kane County Sheriff’s Office)

A former lay pastor in a conservative Anglican denomination was charged Wednesday with two felony counts of criminal sexual assault in the Kane County, Illinois, circuit court.

The charges come a year after Joanna Rudenborg reported Mark Rivera, her former neighbor, to Kane County police, accusing him of raping her in 2018 and again in 2020. 

According to Pat Gengler, undersheriff at Kane County, bail was set at $50,000 and Rivera was released after a hearing. “He’s on home monitoring, so he does have a GPS bracelet which greatly restricts his movements,” said Gengler.

Rivera’s lawyer did not respond to a request for comment. The next court date in the case is set for Jan. 19.

“I’m glad he was finally charged and the prosecution is happening,” said Rudenborg. “It’s certainly validating that the state looked at the evidence and said, this is a strong case worth pursuing. … I hope that my story being taken seriously by the authorities will help other people take other victims’ stories more seriously.”

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The Anglican Church in North America is a relatively young denomination that split from the Episcopal Church and the Anglican Church of Canada in 2009 over the two denominations’ acceptance of LGBTQ clergy and same-sex marriages.

Over the last year, the denomination’s Upper Midwest Diocese has been grappling with allegations of sexual abuse by Rivera and a broader pattern of spiritual hazing within the diocese. In July, accusations of mishandling the allegations led the diocese’s bishop to take a leave of absence.

Mark Rivera
Mark Rivera, foreground, and Bishop Stewart Ruch III in 2008. (Photo: Courtesy of Cherin)

Rivera is also being prosecuted on charges of felony sexual assault and predatory abuse of a victim under 13 years of age, and at least eight others have made allegations of abuse by Rivera, including child sexual abuse, grooming, rape and assault.

Rivera was a lay minister at Christ Our Light Anglican, an ACNA church plant in Big Rock, Illinois, from 2013 to 2019. He was also a volunteer leader at Church of the Resurrection — the headquarters of the Upper Midwest Diocese — in Wheaton, Illinois, from the mid-1990s until 2013.

On Aug. 28, ACNA announced the members of a Provincial Response Team that would oversee an investigation into the diocese’s handling of the allegations. The denomination was not able to respond to a request for comment by the time of publication.

But according to an email sent from the Provincial Response Team to Rudenborg on Nov. 30, the group was “ready to begin the initial vetting process to narrow down the list” of investigative firms. That list would then be voted on by both survivors and members of the Provincial Response Team. On Twitter, Rudenborg expressed frustration at the team’s lack of action.

“At this point, I’m safe from Mark, I’m not in any direct danger, so really what I want is for him to not be able to harm anyone else,” said Rudenborg. “The only way we can be sure that that’s going to happen is if he goes back into custody. So it’s kind of still a waiting game.”

This story has been updated.

Kathryn Post is a writer living in Washington D.C. She is a graduate of Calvin College and an editorial assistant for Sojourners magazine. 

Editorial Note: As Julie Roys has noted previously, she attended Church of the Resurrection and has a conflict of interest in reporting this story. However, this article was reported and edited without any involvement by Roys.

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2 thoughts on “Former ACNA Lay Pastor Charged with Additional Sexual Assault Felonies”

  1. Melissa Fernandez

    I wouldn’t assume that ankle monitor is going to keep him where he’s supposed to be. It simply monitors his movements and *maybe* alerts LEO’s if he goes outside his home. The community is still in danger from this rapist.

  2. Provisional Response Team, or PRT. I guess they have cheap bomber jackets with ‘Provisional Response Team’ in large yellow lettering on the back.

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