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Sage online ordering services are currently unavailable due to network disruption. We are working to restore service as soon as possible. In the meantime, our books are still available widely via retailers and online. Currently we are only able to supply digital inspection copies. These can be requested via this site, or direct from Vitalsource and Kortext. If you need a print copy, please contact your local Academic Sales Consultant, who will be able to arrange to send this once our systems are back online.

If you need further assistance please visit our Contact us page for further information. Thank you for your patience and we apologise for the inconvenience.

Anastasia (Tessie) Tzavaras Catsambas EnCompass LLC

Anastasia (Tessie) Tzavaras Catsambas is the founder and CEO/CFO of EnCompass LLC, an organization of 250 staff that provides services in evaluation, learning, leadership, and organizational development. Ms. Catsambas brings 30 years’ experience in planning, evaluation, and organizational development. She has managed large-scale, international evaluations, delivered training in different aspects of evaluation, and advocated for evaluation at global level. She is an instructor for the EnCompass Learning Center teaching appreciative evaluation, evaluation management, and gender transformative evaluation. Ms. Catsambas is an innovator and practitioner in appreciative evaluation, a methodology that incorporates the systematic study of successful experiences in evaluation, and has co-authored a book entitled, Reframing Evaluation Through Appreciative Inquiry (Sage 2006).

Ms. Catsambas is a Past-President of the American Evaluation Association. She was a founding member of the EvalPartners Coalition, a global initiative to promote the use of evaluation to inform policy and program decisions and received the 2015 EvalPartners Award in recognition of her contributions. Ms. Catsambas holds a Bachelor’s degree in Economics and Political Science from the College of Wooster in Ohio and a Master’s degree in Public Policy from Harvard University. She has trained with the late Dr. W. Edwards Deming in Total Quality Management. She is fluent in French and Greek and speaks Spanish.