SDI Faculty


Bill Batterman

Associate Director of Debate at Woodward Academy

Bill is one of high school debate’s most passionate coaches and summer workshop instructors. Returning for his third summer in East Lansing, he will once again be heading the Hoya-Spartan Scholars program. The founder of, Bill has been honored with the WDCA Coach of the Year Award, the NDCA Service Award, and the NDCA Educator of the Year and is currently a member of both the NDCA Board and the TOC Advisory Committee. Competitively, Bill has coached top speakers at many of the country’s most prestigious tournaments including Wake Forest, St. Mark’s, and Harvard and has coached students to the elimination rounds of every major national tournament. In less than two years at Woodward, Bill’s teams have already won the Georgia State Championship, reached the elimination rounds of the TOC, and won the Heart of Texas Invitational at St. Mark’s. Students that have worked with him during the summer celebrate his enthusiasm, work ethic, and dedication to their improvement. Bill will be teaching in the Hoya-Spartan program.

MaggieMaggie Berthiaume

Director of Debate at Woodward Academy

As the director at Woodward Academy in Georgia, Maggie has coached the NDCA National Champions, and the champions and finalists of numerous national tournaments including St. Mark’s, the Barkley Forum for High Schools, Pine Crest, Carrollton Sacred Heart, and Westminster, and the top speaker at the NDCA Championship and the Tournament of Champions. Her teams have five times won the Georgia State Championship including closing out the finals in 2017.

Maggie debated for Dartmouth College where she reached the quarterfinals of the NDT, the semifinals of CEDA Nationals, and received two first-round at large bids to the NDT. She is a 2012 inductee to the Key Coaches of the Barkley Forum at Emory University and was the 2016 Georgia Coach of the Year. Maggie has been working with the Hoya-Spartan Scholars since 2012. Maggie will be teaching in the Hoya-Spartan program.


Bruce Najor

Debate Coach at Wayne State University

Bruce is the Associate Debate Coach at Wayne State University where he is in charge of strategy development and day-to-day coaching.  In the last 5 years, he's qualified 9 teams to the National Debate Tournament (NDT).  His teams have reached elimination rounds at every "major" collegiate tournament in the country, including the 9th seed at the NDT.  As a high school coach, Bruce revived national circuit travel at Brother Rice and qualified a team to the TOC with five bids in only two years.  As a debater Bruce won top 20 speaker awards and qualified for late elimination rounds at major collegiate tournaments and won the inaugural Big 10 championship tournament.




Ryan Galloway

Director of Debate at Samford University

Ryan Galloway is the Director of Debate at Samford University. One of the most well respected coaches and judges in the country, Galloway won the 2013 Ziegemueller coach of the year award at the National Debate Tournament. He has also judged the final round of the National Debate Tournament a record eight times and was named the third best judge of the 2000-2010 decade. He has coached several NDT qualifiers, and has coached teams to the deep elimination rounds of every major tournament in the country, including CEDA Nationals and the National Debate Tournament. As a debater, he received two first round bids to the NDT, and won numerous top speaker awards, including at the University of Kentucky and ADA Nationals. 



Jeremy Hammond

Head Debate Coach at Pine Crest High School

Jeremy Hammond is the Head Debate Coach for Pine Crest School in Fort Lauderdale Fl. Jeremy debated for Michigan State University from 2004-2008, where he was named a Co-Champion. Jeremy has coached numerous teams on the high school level including a quarterfinalist of the Tournament of Champions in 2007. Jeremy’s teams have reached late elimination rounds of every major high school tournament.  Jeremy was also an assistant coach at Michigan State University from 2009-2011, where his accomplishments included coaching the 2010 National Debate Tournament champion and the 2011 Wayne State Tournament champions.  Jeremy will be teaching in the Hoya-Spartan program.




Mckenzie Hagood

Debate Coach at Saline High School

Mackenzie has been involved in public forum debate in the state of Michigan for seven years, coaching for the past three. In her second year of coaching, Mackenzie was nominated by her peers and received the 2017-2018 Coach of the Year Award- awarded by the Michigan Speech Coaches, Inc. Her team is the current state champions, and have placed 20th in speaker awards at the NSDA national competition in 2018. This will be Mackenzie's first year teaching at the Michigan State University debate camp. She has previously taught public forum debate at the Wayne State University camp. McKenzie will be teaching in the Public Forum program.



KennyKevin McCaffrey

Assitant Debate Coach at Glenbrook North High School

Kevin is very excited to be joining the Hoya-Spartan program. In the past 3 years at GBN, he has coached teams to win the National Speech and Debate Association National Championship and two Illinois State Championships. While previously coaching at Berkeley Preparatory School and Gulliver Preparatory, he coached teams to win three Florida State Championships. He has previously taught at the Michigan Classic, Michigan National Debate Institute, and Hurricane Debate Institute. Kenny will be teaching in the Hoya-Spartan program.



CaseyCasey Harrigan

Director of Debate at Michigan State University

Casey Harrigan joined the Honors College in July 2011. He received his MA in Communication from Wake Forest University in 2008 and BA in International Relations from Michigan State University in 2006, where he also won the National Debate Tournament as a member of MSU’s Debate Team. Before returning to MSU, Casey was the Associate Director of Debate at the University of Georgia and is originally from Holland, Michigan.



ScottEllen Zwarensteyn

Director of Debate and Forensics at the East Kentwood High School

Ellen Zwarensteyn has been in the forefront of Michigan debate for 20 years and is returning to the SDI this summer. She is currently the Director of Debate and Forensics at East Kentwood High School outside Grand Rapids, MI. Ellen coordinates numerous learning opportunities where she concentrates on enhancing community engagement in debate. Competitively, she has led numerous teams to state championships at the novice, junior-varsity, and varsity levels. Her teams have received several round robin invitations, clear at national tournaments, and receive top level speaker awards. Furthermore, she is a scholar of debate and debate instruction. Her thesis on policy debate and political learning concentrates on how and why debaters connect to their communities. This research is being used to construct frameworks for debate itself. She is passionate about inclusion and accessibility within debate. Students who have worked with Ellen recognize her energy, persistence, enthusiasm, and dedication to their personal growth. 



TimTim Mahoney

Debate Coach at the St. Marks School of Texas

Tim is the Director of Debate at the St. Mark's School of Texas. As a college debater Tim advanced to the final round of 10 tournaments, winning seven of them. As a college coach his teams reached the elimination rounds at 9 consecutive CEDA National tournaments, and he qualified teams for the NDT every year after the merger. In his last year of college coaching, his top team was in the quarter finals of both the NDT and CEDA Nationals. His St. Mark's teams have won or reached the final round of every major high school tournament including, Greenhill, Glenbrooks, Harvard, Berkeley, Westminster, TOC, NFL/NSDA, Emory, and the NDCA National Championships.




JonathanWill Mosley-Jensen

Director of Debate at Trinity University

Dr. William Mosley-Jensen is the director of debate and assistant professor of human communication at Trinity University. As the director of Trinity for the past three years he has coached teams to consistent top 25 performances, clearing teams at the National Debate Tournament the past two years (including a team of two first-years). In addition, he was named the 2016 George Ziegelmueller Coach of the Year at the National Debate Tournament (the youngest recipient in the history of the award). As a professor, he consistently receives high marks from students, teaching courses in Argumentation, Persuasion, and Political Communication. Will is passionate about facilitating students' growth in the three core areas of debate: research, reasoning, and rhetoric. Will is teaching in the Hoya-Spartan program.



ErikErik Mathis

Debate Coach at Emory University

Debated for Georgia State and qualified twice for National Debate Tournament and twice advanced to the elimination rounds at the Cross Examination Debate Association Nationals.  Currently, Erik coaches debate for Emory University and serves as the Director of the Debate Ambassadors program for the AUDL in Atlanta, Georgia. He has previously taught at the Emory National Debate Institute from 1996-2004 and again in 2014. Before coming to Emory, he worked as a coach for Georgia State University and helped to coach teams to the NDT in 2012.




WillWill Repko

Michigan State University Head Debate Coach

Will is the founder of the SDI. He joined Michigan State University's staff after coaching at East Lansing High School where his teams won several Michigan State Championships and the 1995 NCFL National Championship. Will's success has continued in his college coaching career where he has catapaulted Michigan State to an era of national prominence and excellence,including national championships in 2004, 2006, and 2010. Will was named the 2000 College Coach of the Year. Will will be teaching in the Hoya-Spartan program at the Georgetown half and in the Sophomore program at the SDI.




AbbyAbby Schirmer

Debate Coach at Marist School

Abby Schirmer is the head policy debate coach at Marist School in Atlanta, GA.  During her years of coaching, she has advanced students to the late elimination rounds or has won nearly every national tournament in the country including; Wake Forest, Greenhill, St. Marks, the Glenbrooks, MBA, Emory, Harvard and the NDCA.  She coached the National Debate Coaches’ Association Baker Award winners in 2013 and 2014.  In 2011, she was named Rising Star by the NDCA, an award given to the top debate coach in the country in their first through third years of coaching. Abby has worked at the Spartan Debate Institutes since 2004.  Prior to coaching high school, Abby debated for four years at Michigan State University.



DaveDave Stoecker-Strauss

Michigan State University Assistant Debate Coach

Dave is currently an assistant coach at MSU and was part of one of the most successful two-person debate teams in history. As a sophomore, Dave and his partner became the youngest of only four teams to ever reach the "final four" of both CEDA and NDT in the same year. As a senior, he was part of the only team in the 58 year history of the National Debate Tournament to advance to the elimination rounds of the NDT four times as an intact pair. He won four tournaments in 2004, including the National Debate Tournament.




HaydenHayden Uihlein

Head Debate Coach at Edina High School

Currently, Hayden works as head debate coach for Edina HS in Minnesota at a program that fields over 100 students and is nationally competitive in policy, lincoln-douglas, public forum and congressional debate. They also volunteer coach on an as-needed basis for the MNUDL. Prior to moving to Minnesota, Hayden was the head coach at Portage Northern HS in Michigan. During his time coaching debate, Hayden's programs have won 4 debate state championships, 3 of which were in policy debate. Their programs have bid to the ToC in policy, public forum and lincoln-douglas as well as qualified to NSDA '18 in policy debate. Outside of debate, Hayden is an aspiring expert on Asian antiques, precious metals, art and other ceramics. They hold a B.A. magna cum laude in philosophy and critical theory from Kalamazoo College, where they were also awarded with the Hodge memorial prize in philosophy. Hayden has been working at the SDI since 2016. Hayden will be teaching in the 2-week Policy and Public Forum programs.





Tyler Thur

Debate Coach at Michigan State University and Glenbrook South High School

Tyler is a 2016 graduate from Michigan State University, where he majored in International Relations with a specialization in Science, Technology and Environmental Public Policy. Tyler is a semifinalist from the 2016 NDT. He also won the University of Texas tournament as a junior. In addition, he has made it to the Quarterfinals of Wake Forest, participated in the double octo-finals of many other college tournaments, debated at the University of Kentucky Round Robin and qualified to the National Debate Tournament. Prior to college, he attended Marquette University High School in Milwaukee, Wisconsin, where he was a two-time State Champion, three-time National Qualifier, and a participant at the 2012 Tournament of Champions.


CarlyCarly Watson

Michigan State University Program/Events Coordiantor

Carly Watson is currently a Debate Coach at Michigan State University where, as a student in 2010, she also won the National Debate Tournament. After graduating college, Carly coached at Gonzaga University where she helped a team ranked in the top ten. Carly has coached at Glenbrook North High School, Niles North and Greenhill. She has previously worked at the Women's Debate Institute and Georgia Debate Institute.




AnthonyAnthony Ogbuli

Debater at the University of Texas at Dallas

Anthony Ogbuli recently graduated from University of Texas at Dallas with a double degree in Political Science and Public/Nonprofit Management. In college, he qualified for the National Debate Tournament several times, and was in elimination rounds of CEDA, three years in a row. He has previously worked at the Georgetown Debate Institute, and the Stanford National Debate Institute.



JohnJohn Lawson

Director of Debate at Groves High School

John directs the debate program at Groves High School in Birmingham, Michigan. He coached a National Catholic Forensic League Champion in 1998, five Class A Michigan Debate Champions and four Michigan Novice State Champions. His teams regularly reach late elimination rounds at major Michigan and regional invitationals. John has directed coaches seminars at the SDI, MNDI and the Michigan Classic. He debated in both high school and college, and now has 42 years of high school coaching experience, including teaching at the SDI and MNDI.





Lauren Pepper

Michigan State University Debater

Lauren is a junior at MSU, double majoring in zoology and public policy. She debated for 4 years at Oakwood High School, in Ohio. As a current college debater, she has competed in elimination rounds at multiple major tournaments. Lauren and her partner were in the finals of the Wayne State Tournament, octos of the University of Kentucky Tournament and doubles of the Georgia State Tournament.





Doug Husic

Wayne State University Debater

Douglas Husic is a senior at Wayne State University, majoring in communication studies with a concentration in rhetoric and argumentation. He debated for 3 years at West Bloomfield High School, in Michigan. Douglas has qualified for the National Debate Tournament twice and has competed in out rounds of regional and national tournaments. This is Doug’s third summer instructing a lab at the SDI.



Katrail Davis

Wayne State University Debater

This will be Katrail’s first year at the SDI this summer. She has four years of experience in college and this year has had success in making it to out rounds of several tournaments while placing in the top speakers as well. In fact, at the 2018 Navy Tournament, Katrail was 3rd speaker. This summer she will be working with Galloway - one of her favorite people in the community. She actually got sat by Galloway on a panel once and almost cried. 




AbbyBee Smale

Debate Coach at Wayne State University

Bee Smale is a Graduate coach at Wayne State University in Detroit. They debated at Indiana University as an undergraduate, qualifying to the National Debate Tournament 3 times and making it to elimination rounds at most major national tournaments As an argument coach for East Kentwood and Cabot, they have coached 3 teams to the Tournament Of Champions in 3 years. Their debaters have won the Blake Tournament, the UT Austin Tournament and RR, and the Cal Berkeley Tournament, and have reached deep elimination rounds at most major nationals. Bee’s teams have consistently been ranked in the top 15 teams in the country in the coaches’ poll.  They have previously worked at the Hoosier Debate Camp from 2012-2017 and the SDI in 2017.


CarlyTeja Leburu

University of Minnesota Debater

Teja Leburu is a debater at the University of Minnesota. Teja worked at the 2017 SDI as an RA and was immediately a favorite of the students and staff. Teja would run practice debates every night after room check so that people could be sure to get even more practice in if they wanted. Teja also guest lectured for several labs over the course of the institute. As a debater, Teja has had a lot of national success including reaching the semifinals at the 2017 Gonzaga tournament, 2018 Miami tournament and 2018 ADA Nationals.


CarlyStephen Pipkin

Debate Coach at Glenbrook North High School

Stephen coaches debate at Glenbrook North High School and previously coached at Gulliver Prep. He has coached teams to the semi-finals or better of every major national tournament including first or second place at the TOC, Greenhill, St. Marks, the Glenbrooks, Michigan, Blake, Berkeley, and the NFL national championship. In his first five years at Glenbrook North, Stephen's teams have won four Illinois State Championships and was runner-up the other year. Since 2012, he has helped 24 teams qualify for the Tournament of Champions, the most in the country. His debaters have received top 5 speaker awards at St Marks, MBA, NDCA, Emory, Blake, Michigan, Greenhill, and the TOC, including top speaker at the NFL National Championship tournament.



CarlyErza Serrins

Michigan State University Debater

Ezra Serrins is a sophomore studying International Relations and Social Relations & Policy at Michigan State University in East Lansing, MI. In his freshman year of debating at MSU, he qualified for the National Debate Tournament, reached elimination debates at the Hoosier Invitational Tournament and participated in the frosh breakout at the University of Kentucky Tournament. Ezra debated for four years in high school at LASA HS in Austin, TX where he reached the octafinals of the Tournament of Champions, was a co-champion of the Harvard tournament, and champion of the Texas Forensic Association State Tournament.



CarlyLena Grossman

Michigan State University Debater

Lena Grossman is entering her junior year at Michigan State, where she majors in Political Theory and Constitutional Democracy. She has qualified to the NDT twice and cleared at several major tournaments including Georgia State and Indiana. Lena reached the quarterfinals of the TOC in high school debating at Niles West.




CarlyLuc Walkington

Michigan State University Debater

Luc Walkington is a debater for MSU and assistant debate coach at Niles North High School. As a sophomore, Luc reached the octa-final round of the National Debate Tournament. Throughout his three years of coaching, he has coached three teams to qualify to the Tournament of Champions. Luc has worked at the Spartan Debate Institute since 2015.