Boris Stein

last updated 6/12/2018

Boris Stein

Senior Vice President, Applied Engineering and Research at Twining Inc

2883 East Spring Street Suite 300, Long Beach, California, United States
Twining Inc
HQ Phone:
(562) 426-3355

General Information


Co-founder and Partner - Irvine Institute of Technology

Dg - DT


M. Sc. - Engineering , 


Active Member - American Concrete Institute

Recent News  

Applied Research and Materials Engineering | Twining, Inc.

The materials engineering department is led by Dr. Boris Stein, who has more than thirty years of experience and is well known in the world of concrete.
He holds fifteen patents and certificates on inventions related to concrete technology. Dr. Stein has directed technical services for hundreds of concrete infrastructure projects including pavements, secondary water treatment facilities, utility and transportation tunnels, bridge investigations and others. Ask An Expert.... Boris Stein, DSc joined Twining in 1994, and leads Twining's AER division. Boris is responsible for overseeing the development and evaluation of concrete mixes for numerous projects throughout California. Since 1998, Boris has been an active member of the American Concrete Institute, participating in committees 232, 304, and 305. Considered to be an expert in the industry, he is frequently asked to lecture on various aspects of concrete materials science and technology. Have a question for Boris? Ask him here!

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ACE San Gabriel Tench | Twining, Inc.

Twining's Vice President of Applied Engineering, Dr. Boris Stein, is providing innovative green and economical concrete mix designs as well as being available to troubleshoot any unforeseen problems that may arise during the construction of this project.
Twining is providing QC management and onsite materials testing.

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Leadership | Twining, Inc.

Boris Stein, DSc
Senior Vice President, Applied Engineering and Research Boris Stein, DSc Senior Vice President, Applied Engineering and Research Linkedin for Boris Stein, DSc Dr. Boris Stein is a materials scientist, consulting engineer and educator with extensive experience in cementitious based materials, concrete technology and construction. Dr. Stein holds fifteens certificates on inventions and patents and is the author and coauthor of numerous technical publications and books. He has contributed to the development and implementation of special concretes for fast track construction and the rehabilitation of concrete pavements, concretes with industrial by-products and waste materials, processes of manufacturing of precast concrete, and more. Dr. Stein leads work performed by Twining in the areas of concrete technology, evaluation of materials for concrete, rigid pavements, investigation of concrete in existing structures, and engineering of cementitious based materials.

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