DatStat Staff and Contacts

Executive Team

Elizabeth Miller, Ph.D.

CEO & Co-founder

Lizza pioneered web-based research in the mid 1990’s during her tenure at Stanford University and the University of Washington. She co-founded DatStat in response to a definitive market need for survey and research management software that is multi-mode, configurable, and interoperable. Lizza is charged with setting DatStat’s strategic direction and vision, using her two decades of research experience to lead the company from start-up to market leader.

Lizza holds a Ph.D. in Clinical Psychology from the University of Washington and two undergraduate degrees from Boston College.

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George Dittmeier

CTO & Co-founder

George co-founded DatStat after working in the in the prestigious Tools Division at Oracle Corporation, where he also managed Oracle Graphics, including the System Service Layer and the Virtual Graphics System. Today, he uses his foundation of more than 20 years enterprise software engineering and product development leadership to shape the technology roadmap at DatStat.

George also led the development of web-based UI at NetGravity Inc., which was acquired by DoubleClick Inc. during his tenure. He holds a Bachelor of Science in Information Systems & Computer Science from Carnegie Mellon University.

Christopher Maconi


Chris has been leading high-performance software product organizations for over a decade. At DatStat, he is responsible for overseeing day-to-day development and go-to-market strategies. Prior to DatStat, Chris served as CTO for Wingman Mobile, CTO and VP of Product Development at Electronic Evidence Discovery (where his efforts resulted in the company’s sale to a prominent private equity firm), IBM Global Services and several Internet startups.

He is a graduate of the University of Central Florida and holds a Bachelor of Science in Business Administration with a minor in Management Information Systems (MIS).

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Healthcare and Research Development Group

Evan Lazarz

Account Executive-Central

Evan uses his strong background in clinical research and validation to advise healthcare professionals and study investigators on the use of DatStat technology for electronic data capture and patient reported outcomes. He was a member of the process engineering and methods development teams at the Allen Institute for Brain Science in Seattle and provided validation services at Aperio Technologies before coming to DatStat.

Evan holds a degree in Chemistry from the Evergreen State College and has extensive knowledge of 21 CFR 11 and 21 CFR 58.

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James Taylor

Account Executive-West

James is focused on developing and maintaining relationships with patient care and research organizations located throughout the Western US and Canada. He brings more than a decade of experience in the healthcare and technology sectors, including work on telehealth and e-Health integrations.

Prior to DatStat, James managed market development for Carena and business development at Urbanspoon. He holds an MS in Communication and Digital Media from the University of Washington and undergraduate degrees from UC Davis. Away from DatStat, he’s the World’s BestDaddy.

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Kyle Peterman

Product Consultant

Most customers meet Kyle during the demonstration phase, when he shows them exactly how their vision for patient care and research can be achieve using DatStat software. He also creates web-based demos for DatStat.com and collaborates on a variety of internal projects.

Kyle comes to DatStat with a background in computer science and business administration, along with a passion for success developed during his career as a noted collegiate soccer player. Originally from Boise, Kyle graduated from Seattle Pacific University before joining DatStat.

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Maria Tringali

Account Executive-Northeast

Maria is a two-time DatStat-er, having worked with clients here in 2007-08 and again since early 2011. She is responsible for developing client partnerships in the Eastern US and Canada, along with all international markets outside of North America. Maria brings twenty years of sales, marketing and management experience in the research, hospitality, and print industries.

She currently serves on the executive board of Seattle Rotary, the largest rotary organization in the world, and is a former board member of the American Marketing Association, Puget Sound Chapter. Maria holds a degree in Business Administration/Marketing from Cal Poly SLO.

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Renee Shatos Petrie


Renee is responsible for developing product strategy and client partnerships. Her focus is to ensure maximum success in applying DatStat technology across diverse areas of the healthcare enterprise, including research, quality of care, marketing, and IT interoperability.

Previously, Renee served as Assistant Director & Director of Data Operations at the UW Social Development Research Group (SDRG), where she had responsibility for managing complex research protocols and maximizing response in longitudinal, randomized controlled trials. She holds a degree in business from Washington State University.

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Ryan Dennison

Account Manager

Ryan is the main sales contact for most existing DatStat clients, focusing on active outreach to maintain contact and collaborate on new initiatives. He has a significant research background, having contributed to knowledge base of multiple non-profit organizations, along with major brands such as Alaska Airlines and Cisco Systems.

Ryan holds a BA in Business Administration, Marketing and Economics from Seattle University.

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Stephen Carson

Account Executive-Southeast

A native of Kentucky, Stephen regularly calls back to that region as he works to build and maintain relationships with health and research professionals in the Southeastern US. He comes to DatStat with a sales track record of helping organizations align existing staff and resources as new technology is integrated into the enterprise.

Stephen has a BA, Economics from the University of Kentucky and currently resides in Seattle.

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Solutions Consulting Group

Dr. Sara Heskett comes to DatStat with over twenty years of research experience across a wide range of academic and clinical research. She oversees the Solutions Consulting Group, which provides DatStat customers with consultation, implementation, and custom development services for any or all stages of a data collection or research effort. Sara has extensive experience with quantitative and qualitative research, study design, survey development, statistical analysis, report writing, and strategic planning.

Sara has consulted for a variety of organizations, published numerous articles and book chapters, and delivered dozens of presentations at conferences around the world. She received her Ph.D. in Clinical Psychology from the University of Washington in 2002.

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Sara Heskett, Ph.D.