WLIA welcomes you to the 33rd Annual Conference at the Marriott Madison West, in Middleton, Wisconsin, February 19-21, 2020. 

Sonja Ellefson

Mapping Resource Manager
Sonja Ellefson the Mapping Resource Manager for GPI Geospatial in Sheboygan WI.  She is an ASPRS Certified Photogrammetrist who studied geology at MIT then went on to get her masters degree in photogrammetry and remote sensing from University College London.  She has spent over fourteen years working in the field of photogrammetry, working with aerial LiDAR, mobile LiDAR, terrestrial LiDAR, orthophotography and compilation.

My Speakers Sessions

Wednesday, February 19

9:30am CST