Our people

Addie Costello is WPR’s 2024-2025 Mike Simonson Memorial Investigative Reporting Fellow embedded in the Wisconsin Watch newsroom. Her reporting has been published by Marketplace, USA TODAY, the Austin American-Statesman, public radio stations across Texas and several publications in her home state of Nebraska. She holds a bachelor’s degree in journalism from the University of Texas at Austin.

Matthew DeFour started in September 2022 as Wisconsin Watch’s first statehouse bureau chief. Previously at the Wisconsin State Journal he covered state and local government for 16 years, including four years as state politics editor. He has a BSJ and MSJ from Northwestern University’s Medill School of Journalism. He was honored by his peers as the 2020 Wisconsin Watchdog of the Year.

Mario Koran joined Wisconsin Watch in July 2021 and is currently a New York Times local investigations fellow. He was a 2021 Knight Wallace fellow at the University of Michigan. Previously, he was a west coast correspondent for the Guardian US and covered education for Voice of San Diego, where he was named 2016 reporter of the year by the San Diego Society of Professional Journalists. His work has appeared in The New York Times, The Appeal, and the Milwaukee Journal Sentinel, and he was a Wisconsin Watch intern in 2013. He holds a BA in Spanish literature and MA in journalism from UW-Madison.

Jim Malewitz joined Wisconsin Watch in 2019. His role includes editing, managing fellows and interns and investigative reporting. He also coordinates Wisconsin Watch’s role in its News414 service journalism collaboration with Milwaukee Neighborhood News Service. He has worked for Bridge Magazine in his home state of Michigan, was an investigative reporter for the Texas Tribune and Stateline. Malewitz majored in political science at Grinnell College in Iowa and holds a master’s degree in journalism from the University of Iowa. He was a founding member of the Iowa Center for Public Affairs Journalism, where he serves on the board of directors.

Phoebe Petrovic is an investigative reporter on a two-year fellowship with ProPublica’s Local Reporting Network. She previously covered disinformation and democracy at Wisconsin Watch and was a 2022-2023 Law & Justice Journalism Project fellow. As a Report for America corps member from 2019 to 2022, Petrovic reported, produced and hosted “Open and Shut,” a podcast series co-published with Wisconsin Public Radio examining the power of prosecutors. Petrovic previously worked at WPR as a Lee Ester News Fellow, “Reveal” from the Center for Investigative Reporting as an editorial intern and NPR’s “Here & Now” as a temporary producer. Her work has aired nationally on all of NPR’s flagship news magazines. She holds a bachelor’s degree in American studies from Yale University.

Jacob Resneck joined Wisconsin Watch in 2022 via Report for America, covering threats to democracy with an emphasis on rights in the workplace. Previously, he worked in Juneau, Alaska, as an editor and reporter for the nonprofit public media consortium CoastAlaska. Before that he spent more than eight years abroad reporting from Germany, Turkey, the Balkans and Middle East. He’s also worked for weekly and daily newspapers in rural Northern California where he grew up and New York’s Adirondack Mountains. He now lives in Oshkosh with his wife, a poet and teacher, and their two young children.

Kiran Saini joined Wisconsin Watch in January 2023. She graduated from Wayne State University in Detroit with a bachelor’s degree in online journalism, where she was a member of the Journalism Institute for Media Diversity. Prior to joining, Saini was an audience development manager at the Detroit Free Press where she oversaw audience work for 15 newspapers across Michigan. Saini is passionate about championing diversity in newsrooms and increasing accessibility to news coverage.

Zhen Wang joined Wisconsin Watch as a Fund for Investigative Journalism fellow in January 2023. She has worked as a reporting intern since May 2021. At UW-Madison, she earned a master’s degree in journalism. She previously worked for the Guardian Beijing bureau and China Daily. Before joining the journalism industry, she worked in various sectors and obtained a master’s degree in international relations in New Zealand. She speaks Chinese and is a member of Asian American Journalists Association. 

Rachel Hale joined Wisconsin Watch as a reporting intern in June 2023. She is currently a student at the University of Wisconsin-Madison studying Journalism and Political Science with certificates in Jewish studies and Middle East studies. Rachel previously worked at The Forward and The Times of Israel and was a member of the POLITICO Journalism Institute’s 2023 cohort. She is interested in reporting that spans the intersection of cultural identity and political impact.

Jacob Alabab-Moser joined as Wisconsin Watch’s fact checker in September 2022, as part of the effort by The Gigafact Project in partnership with different state-level news outlets to combat misinformation in the 2022 midterm elections. Jacob has several years of experience as a fact checker and research assistant at a variety of organizations, including at The Gigafact Project. He holds a BA from Brown University and is pursuing a MSc from the London School of Economics and Political Science.

Bevin Christie joined News414, a collaboration between Wisconsin Watch, Milwaukee Neighborhood News Service and Outlier Media, in 2020. Christie is a social entrepreneur and community organizer, with a background in education reform and workforce development. She has partnered with public/private schools, community based organizations, and the Milwaukee community to build upon a belief that healing, equity, and inclusion is key to Milwaukee being a better place to thrive not just survive.

Claire DeRosa currently designs for Rise Strategy Group in Chicago, helping tell the stories of public, private and nonprofit clients throughout the city. DeRosa worked for Wisconsin Watch from 2019 to 2022 as its first graphic designer. She pioneered Wisconsin Watch’s brand through bold and experimental design, establishing its visual identity. She holds a BA in journalism and political science from UW-Madison and enjoys deejaying and producing electronic music in her free time.

Mariela Fonseca Ruiz is a News414/Noticias414 ambassador — forging connections with Milwaukee’s South Side residents, including those who predominantly speak Spanish. She is a proud graduate of Alverno College, where she earned a B.A. in psychology and minored in medical interpretation and professional communications. She’s a first-generation college graduate who knows the importance of community and mentorship navigating careers and resources. She has worked in the nonprofit sector for 10 years, six of those in education — serving families and the broader community.

Tom Kertscher joined as a Wisconsin Watch fact checker in January 2023 and contributes to our collaboration with The Gigafact Project to fight misinformation online. Kertscher is a former longtime newspaper reporter, including at the Milwaukee Journal Sentinel, who has worked as a self-employed journalist since 2019. His gigs include contributing writer for Milwaukee Magazine and sports freelancer for The Associated Press.

Delicia Morris is a News414 ambassador. She has been a community advocate and community health worker for Milwaukee’s Northwest side for over 15 years. She specializes in gathering information and resources and uses that knowledge to educate, equip and empower the neighborhood. She’s a graduate of UWM with a bachelor’s degree in Communications. She has a passion for people and community and has participated in special projects/programs for holistic wellness, black women maternal child care, childhood obesity, asthma prevention, and intergenerational communication.

Dilpreet Saraina is the Spanish translator and engagement assistant for News414/Noticias414. She graduated from Marquette University with degrees in Biology and Spanish. After graduation, she decided to stay in Milwaukee and deepen her involvement in the community. In 2017, Saraina served a year with Public Allies at Core El Centro on Milwaukee’s South Side. She continued to serve her community with her work at a free clinic in Milwaukee’s Spanish speaking community. Saraina keeps herself busy volunteering and serving as a Spanish Cultural Specialist/teacher assistant at NorthShore Montessori School, and as a clinical research coordinator at the Medical College of Wisconsin.

Vanessa Vasquez is a News414/Noticias414 ambassador — forging connections on Milwaukee’s South Side, where she grew up. Vasquez earned bachelor’s and master’s degrees from Alverno College as a first-generation student. Vanessa currently serves as the Director of the Caroline Scholars Program at Mount Mary University. She previously worked at Carmen Schools of Science & Technology, Milwaukee Area Technical College and Alverno College. Vasquez volunteers with multiple Milwaukee-area organizations. She was recognized by the Milwaukee Business Journal (MBJ) as one of the 2019, 40 Under 40 Award recipients, the 2018 UMOS Hispanic Woman of the Year, and the 2016 Hispanic Professionals of Greater Milwaukee (HPGM) Future Leader Award. She served as the 2013-2014 Ambassador representing the Wisconsin Hispanic Scholarship Foundation/Mexican Fiesta Inc.

Barbara Johnson joined Wisconsin Watch in 2016 as a volunteer senior strategic advisor. As interim executive director, she helped strengthen operations, with a special focus on the development of Wisconsin Watch’s business model. Johnson was CEO and COO of four media companies in New York and Madison before her retirement in 2015. She was also a reporter and editor for 15 years before moving into business roles, winning national and state awards for her investigative stories. She has served on the boards of public and private companies and as an operating partner of a private equity firm. She is a graduate of the University of Michigan.

Christa Westerberg is an attorney at Pines Bach LLP in Madison, Wisconsin, where she practices environmental, civil rights, and open government law. Since 2008, Westerberg has served as the vice president of the Wisconsin Freedom of Information Council.