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Meet the founding movers and shakers at the helm of the GPSi enterprise
GPSi’s three Principals are all experienced photogrammetrists with an 95-year combined track record of success. Each of the Principals is integrally involved in the day-to-day operations, providing a synergistic web of experience that positions GPSi as a formidable player in the aerial survey and mapping industry.

Alice Ramos, Chief Executive Officer/President: Ms. Ramos is both a certified photogrammetrist (ASPRS) and GIS professional (URISA) with experience teaching photogrammetry and elementary surveying at the university level.  In addition to her primary responsibilities for Finance and Administration, Ms. Ramos applies her technical expertise in aerial triangulation, CADD, GIS, orthophotography and QC. She has served as Regional Director, ASPRS Southwest region covering southern California, Arizona and southern Nevada and was a member of the organizing committee for the 2010 ASPRS National Annual Conference.
Paul Rivers, Chief Operating Officer: Mr. Rivers brings a 30-year track record of expertise in photogrammetry, aerial surveying, aerial triangulation, mapping, cartography, CADD, GIS and QC. Mr. Rivers also brings a plethora of hands-on project management expertise and manages client projects as well as spearheading GPSi’s sales and marketing initiatives. Building bridges externally, he has cultivated and continues to sustain robust relationships with the existing client base.
Ramon Ramos, Executive Vice President: Mr. Ramos is the resident technical expert at GPSi, drawing on a 35-year track record of experience in photogrammetry, surveying, aerial mapping, aerial triangulation, cartography, CADD, GIS and QA/QC. Mr. Ramos is a California Licensed Land Surveyor and a Certified Photogrammetrist (ASPRS). He has served as Regional Director, ASPRS Southwest region from 2007 to 2010. He has solid project management expertise and, in collaboration with Mr. Rivers, he heads up GPSi’s sales and customer relations.
Deborah Ninow, Head of Photogrammetric Operation: Ms. Ninow is our quality control expert and project manager extraordinaire. She is a seasoned photogrammetrist with a broad range of expertise in digital aerial triangulation, softcopy stereo-compilation, CADD, map finishing and production management, among others. Ms. Ninow oversees the training of new stereo-compilers in the field of digital photogrammetry and ensures that the team meets or exceeds our stringent in-house quality standards.
Karen Ostrander Mejia, Sr. Geomatics Specialist: Ms. Mejia has responsibility for digital imaging, map finishing, CADD, LiDAR and GIS. With her finger on the "pulse" of continually evolving geospatial technology, Ms. Mejia develops and executes GPSi's QC program, ensuring strict adherence to standards throughout our production process. She taps into her Management Information Systems degree in enhancing productivity through the automation of repetitive and time consuming tasks.
Lowell Palacpac, Sr. LiDAR Specialist: Mr. Palacpac heads the LiDAR department at GPSi, overseeing the entire production process from acquisition to final output. In addition, he also has responsibility for automation, semi-global matching, aerial triangulation, CADD and GIS. With a civil & environmental engineering degree from UCLA, Mr. Palacpac continually seeks out new technologies and better solutions, striving to deliver the highest accuracy products to our clients.
GPSi is Now Offering Full LiDAR Services
With the exciting purchase of RIEGL's LMS-Q780 full waveform airborne laser scanner, GPSi now offers full LiDAR services including data aquisition, post-processing, filtering, and classification.
GPSi Purchases MicroSoft/Vexcel UltraCamFalconP Digital Camera
Innovation is nothing new at GPSi. It's been our heartbeat for nearly a quarter century as we are committed to staying ahead of the curve. We are proud to be the only mapping company in North America to offer the UltraCam Falcon prime, the next generation aerial digital camera from Microsoft Vexcel. This camera is ideal for our small to medium engineering design-scale photogrammetric projects.
Certified Women Minority Business Enterprise (DBE/WMBE/SBE) in 2009 and a 30 year legacy in high quality service, GPSi offers the best of both worlds; Staying power of a larger company with the entrepreneurial vigor of a smaller company.
Technology Award from Asian Business Association of OC
GPSi’s Chief Executive Officer/President, Alice Ramos, was the recipient of the 2009 Entrepreneur of the Year award by the Asian Business Association of Orange County.
Client Testimonials
“GPSi’s extraordinary service and commitment to quality has always been their hallmark and is the reason for our continued business relationship.”
James E.
Parsons Brinckerhoff

“Paul’s knowledge, client focus and quick response to our mission critical needs have fostered a win/win partnership that began over 25 years ago.”
Richard M.
Southern California Edison
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