Our Staff
Science
![Nathan Conroy Nathan Conroy](https://www.bishopdwenger.com/Data/notpicturediconforstaff.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=qYF&Timestamp=mz6tvw&Width=640)
Nathan Conroy
nconroy@bishopdwenger.com
Department Chair
![Charles Ehinger Charles Ehinger](https://www.bishopdwenger.com/Data/00027EhingerCharles01.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=vgF&Timestamp=M9wh4w&Width=640)
Charles Ehinger
cehinger@bishopdwenger.com
Integrated Chemistry and Physics
![Lara Fairchild Lara Fairchild](https://www.bishopdwenger.com/Data/00028FairchildLara01.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=WgF&Timestamp=p2yh4w&Width=640)
Lara Fairchild
lfairchild@bishopdwenger.com
Honors and AP Chemistry
![Andrea Hill Andrea Hill](https://www.bishopdwenger.com/Data/00037HillAndrea01.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=fgF&Timestamp=z2yh4w&Width=640)
Andrea Hill
ahill@bishopdwenger.com
Chemistry 1 and 2
![Tim Koehl Tim Koehl](https://www.bishopdwenger.com/Data/00052KoehlTim01.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=0gF&Timestamp=JDyh4w&Width=640)
Tim Koehl
tkoehl@bishopdwenger.com
Anatomy and Physiology
![Maria Odle Maria Odle](https://www.bishopdwenger.com/Data/00075OdleMaria01.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=JgF&Timestamp=DDyh4w&Width=640)
Maria Odle
modle@bishopdwenger.com
Chemistry and Forensics
![Brian Quigley Brian Quigley](https://www.bishopdwenger.com/Data/00078QuigleyBrian01.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=KgF&Timestamp=Vbyh4w&Width=640)
Brian Quigley
bquigley@bishopdwenger.com
Biology
![Liz Walker '03 Liz Walker '03](https://www.bishopdwenger.com/Data/00107WalkerElizabeth01.jpg?AutoCrop=1&Height=640&Resize=Smallest&Revision=3ZF&Timestamp=HwqCJw&Width=640)
Liz Walker '03
lwalker@bishopdwenger.com
Earth and Space