Statistical Research, Inc.


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Our Team

Our Team

Statistical Research, Inc., has approximately 100 employees. Our staff includes 12 individuals with Ph.D. degrees in anthropology or a related field, 32 with M.A. degrees in these fields, and 3 with M.B.A. or equivalent degrees. The remaining employees are field archaeologists and other support staff. The company also regularly hires archaeologists on a project-specific, as-needed basis. SRI is organized into analytical and support departments, and departmental personnel overlap among SRI's offices. SRI executive staff are listed below. The directors and assistant directors of SRI's various offices are listed on the Contact SRI page of our web site.

SRI Executives

Janet Grenda, MBA, Chairman/Chief Executive Officer

Ms. Janet Grenda has been with Statistical Research, Inc. (SRI) since 1994 and became Senior Vice President for Contact Management in 2006. Ms. Grenda received a B.A. and M.B.A. from University of Redlands. As Chairman/CEO, Ms. Grenda oversees the management of the company. She leads the board of directors, supervises the President, and is the chief spokesperson for the company. She also maintains primary legal, accounting, and banking relationships.For more information on Ms. Grenda's career, click here.


Donn R. GrendaDonn R. Grenda, Ph.D., RPA, Principal

Dr. Grenda has been with Statistical Research, Inc., since 1991. He took on the responsibilities of president of SRI in 2005. As president, Dr. Grenda is the visionary behind company growth while ensuring that his team keeps the mission of SRI at the forefront of day-to-day operations. Dr. Grenda holds a B.A. in Economics and Anthropology from the University of Redlands, an M.A. in Anthropology from the College of William and Mary, and a Ph.D. in Anthropology from the University of Arizona. In 2005, he was appointed by the Governor of California to the California State Historical Resources Commission to be a commissioner through 2013, serving as chairman from 2006 to 2008, and as vice-chair in 2013. The commission is responsible for the identification, registration, and preservation of California’s cultural heritage. For more information on Dr. Grenda’s career, click here.


Teresita Majewski, Ph.D., RPA, FSATeresita Majewski, Ph.D., RPA, FSA, Executive Vice President

Dr. Teresita Majewski is a Vice President at SRI. Dr. Majewski serves as senior principal investigator or senior project manager on large heritage management contracts, and because of her extensive experience with carrying out projects subject to federal, state, and local preservation law and regulations, she works closely with clients (particularly government clients) to ensure appropriate program development and implementation. She received her B.A. in Anthropology magna cum laude from the University of Illinois at Urbana-Champaign and her M.A. and Ph.D. from the University of Missouri-Columbia.For more information on Dr. Majewski's career, click here.

Robert Heckman, M.A., RPARobert Heckman, M.A., RPA
, President

Robert (Robby) Heckman joined SRI in 1992 and has served in a multitude of capacities for the firm since that time. Since 2013, Mr Heckman has served as SRI's Director of Operations. Mr. Heckman has extensive experience planning and managing large and complex projects across all of the western states for various federal, state, and local agencies as well as tribal and private clients. In addition to having management and field experience, Mr. Heckman is an expert on prehistoric ceramics and an exceptional database manager. He has more than 26 years of experience in the full range of heritage management professional services. Mr. Heckman received his B.A. in anthropology from the University of Arizona in 1992 and his M.A. in anthropology from Northern Arizona University in 2002. Mr. Heckman is a Registered Professional Archaeologist (No. 15537). For more information on Robert Heckman's career, click here.

John G. Douglass, Ph.D., RPAJohn G. Douglass, Ph.D., RPA
, Vice President

John Douglass has been with Statistical Research, Inc. (SRI) since 2001 in various capacities. He became a Principal Investigator with the company in 2004 and, since 2013, has served as the Director of Research and Standards for the entire firm. Dr. Douglass received his A.B. in Anthropology from Kenyon College (Phi Beta Kappa, High Honors in Anthropology) and both his Graduate Certificate in Latin American Studies and his Ph.D. in Anthropology from the University of Pittsburgh. He is a Registered Professional Archaeologist. For more information on Dr. Douglass's career, click here.

Alison Martinez, Ph.D., RPAAlison Martinez, MBA, CPA
, Chief Financial Officer

Alison Martinez has been with Statistical Research, Inc. (SRI) since 2003, holding various positions including roles in the Accounts Payable and Accounts Receivable Departments. She received her B.A. and MBA from the University of Redlands and also licensed as a CPA in the State of California. Ms. Martinez has been SRI's Controller since 2016. As Controller, Ms. Martinez is responsible for evaluating and maintaining the internal controls of the Accounting Department. She prepares the company's financial statements, files annual tax and information returns, and prepares the company for its annual independent financial statement and overhead audits. For more information on Alison Martinez's career, click here.


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