Our Leadership

Our Leadership

K&C ‘s Leadership Team offers a truly unique and specialized set of skills within the science and engineering community.  Each area of expertise was developed and tailored to be highly complimentary; allowing for a fully integrated approach to protective design that provides our clients with services tailored to meet their specific needs.  K&C, although a small business, has extraordinary depth in blast effects analysis/design, research and development, testing, and field engineering.

Joe Magallanes, PE, SE
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Joe Magallanes, PE, SE

Principal, President/Chief Executive Officer
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Joe leads K&C as President and CEO. He is an accomplished engineer, scientist, and technical manager, with 15 years of experience related to analyzing, designing, and developing concepts for materials and structures to extreme loads, especially those occurring due to blast, impact, penetration, and shock. As President/CEO, Joe shares his time supporting the company’s highly technical staff through business and technology development with leading Research and Development (R&D) and Testing and Evaluation (T&E) projects for several of K&C’s key clients. His portfolio includes a wide breadth of project deliveries ranging from assessing and designing structures for stakeholders, engineers, and architects, to scoping and executing complex R&D projects in the field of blast, impact, and materials engineering for the Defense, Space, and Energy industries. He has authored dozens of peer-reviewed technical papers in this area of expertise and has developed a number of design and analysis tools currently used in these fields, among the most notable, the Column Blast Analysis and Retrofit Design (CBARD) software and K&C’s latest releases of the K&C Concrete (KCC) constitutive model for computational mechanics simulations of quasi-brittle materials and structures.
Joseph Abraham, PE
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Joseph Abraham, PE

Principal, Chairman
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Mr. Abraham is a Principal and Chief Technology Officer (CTO) at Karagozian and Case (K&C). In this corporate role, he guides K&C’s technology vision and provides strategic leadership in the areas of technology, engineering, as well as the development of new products and services. His responsibilities also include marketing of K&C’s technologies and capabilities, creation of advanced technologies, and development of strategic corporate partnerships. As a Principal at K&C, Mr. Abraham leads interdisciplinary science and engineering projects with emphasis in the fields of thermodynamics, fluid dynamics, turbulence, chemical kinetics, energetic materials, structural materials, composites, and heat transfer. His experience and research interests range from early concept development of novel products/systems to test and evaluation of technology solutions that are in production or deployment. Mr. Abraham uses advanced computational fluid dynamics (CFD) and computational structural dynamics (CSD) computations as well as high performance computing (HPC) resources to support the design and qualification of products and systems used in military and commercial applications. His research and development (R&D) experience includes support of products and systems related to aerospace, ships, weapons, weapon effects on vehicles and structures, energetic materials, and explosive safety.
Donna Anhalt
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Donna Anhalt

Office Manager, Facility Security Officer
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Donna joined K&C in May, 2006 as an Administrative Assistant to support the Engineers, Accounting and Management.  In 2009 she was assigned the role of Facility Security Officer to maintain and implement all security policies and procedures as defined by the NISP for all cleared facilities and continued my responsibilities as an Administrative Assistant.  Donna now works as the Office Manage / FSO overseeing all aspects of the administrative duties in the office and keeping management informed with pertinent information.
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Hyung-Jin Choi, PhD

Principal, Senior Director
Hyung-Jin Choi, PhD
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Dr. Choi is a Principal at K&C with over 25 years of experience in providing engineering service related to experimental and analytical structural dynamics and system identifications, especially as they relate to blast effects on structures. He is serving as a principal of K&C and is CEO of KC Applied Science and Technology, Inc. (KCAST), where KCAST is a key collaborator with K&C in supplying engineering services pertaining to blast and impact effects on structures in countries outside the US. Dr. Choi started his career in the area of blast analysis in the theoretical development of progressive collapse analysis from 2001 at the Pennsylvania State University and joined K&C in 2003 then established Hybrid modeling technique in K&C combining physical and mathematical domain for the prediction of the progressive collapse analysis.Dr. Choi has extensive experience with the design and analysis building and bridge structures focusing on research and development of weapon effect phenomenology(WEP) including Meshfree analysis method, stochastic and deterministic domain conversion, fragment analysis, and their application to the area of blast analysis and damage assessment. He led the development of several fast running models (FRM) for computing the damage imparted to targets, evaluation of projectile penetration responses and generation of casing fragments. He led the teams of K&C engineers that developed the first principle meshfree analysis software tool KC-FEMFRE, which was supported by Defense Threat Reduction Agency (DTRA) of US Department of Defense. He has also coordinated and participated in multi-national cooperation programs such as Coalition Warfare Program (CWP) and Military Operation in Urban Terrain (MOUT).Dr. Choi graduated from Korea University with a Ph.D. in 1997 and his Degree was re-evaluated by the Pennsylvania State University in 2001. He worked for the Protective Technology Center of Penn State University as a faculty member until he joined K&C in 2003.He is extending his advanced technical professions to shock wave propagation through a blocking component that can be applied more advanced weapon effect phenomenology area.
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John Crawford, PE

Senior Principal
John Crawford, PE
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Mr. Crawford has accumulated over 45 years’ experience and is a recognized expert in the design, analysis, and testing of structural and mechanical systems and components subjected to blast, shock, and impact loads. After having served as President of K&C for over 15 years, where he led and grew Karagozian & Case, Inc., to an internationally recognized scientific and engineering firm, he now acts as a Principal and Chairman of the Board. Throughout his distinguished career, John has visited numerous embassies and other government and commercial facilities where consideration of blast and impact threats are important, providing vulnerability assessments and designs for reducing their risks to terrorist attacks. He performs peer reviews of other A&E's blast effects related designs, provides technical support in legal matters related to blast and shock effects and structural failures, and has generated a variety of software tools for design and analysis related to blast and shock.
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Brian Dunn, PE, SE

Principal, Vice President
Brian Dunn, PE, SE
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Brian has been with Karagozian & Case since May 1988 and has since then increased his level of responsibility to the role of Principal and Chief Operating Officer (COO). As COO and Vice-President of K&C, he is responsible for managing personnel and their workload, infrastructure, legal, and quality control procedures. He shares his time addressing these important duties with his role as Principal, where he manages and directs a variety of projects. Mr. Dunn holds Professional Civil and Structural Engineering licenses in California, Kansas, Maryland, New Jersey, New Mexico, New York, Pennsylvania, Tennessee, Washington, Virginia and Washington D.C. Brian leads K&C’s perimeter security assessment and design activities, where his most recent work is focused on designing, qualifying, and constructing blast and impact-resistant systems for anti-terrorist/force-protection (AT/FP) applications. In this regard, he has developed designs for curtain walls, windows, doors, and anti-ram devices, many of which were tested in impact and blast tests. He works closely with contractors to ensure that the installation of these designs is effectively accomplished. He also plays a key role in K&C’s testing of structures with blast and impact loads.
Shengrui Lan, PhD
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Shengrui Lan, PhD

Principal, Vice President
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Dr. Lan has 25 years of experience in structural engineering, principally focusing on the numerical analyses of structures for blast and impact effects. Dr. Lan is a Principal and Vice-President for K&C, where he supports the company through his technical and business development activities. He has performed numerous high-fidelity physics-based (HFPB) finite element simulations for blast and impact effects on various protective structures/systems for evaluating their blast/impact resistance and determining their design parameters. His HFPB models have been used for the pretest predictions of many large scale blast field tests and vehicle crash tests and validated and verified with posttest analysis of these tests. He has accumulated extensive experience in predicting blast/impact response and evaluating post-blast damage of reinforced and steel structures. 
Ken Morrill, PE, GE
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Ken Morrill, PE, GE

Senior Principal
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Ken is a Principal at K&C and Vice-Chairman of its Board. Mr. Morrill has over 30 years of experience in the analysis of aerospace and civil structures subjected to static and dynamic loads. Most of this experience involves testing and finite element analysis of the response of structures to seismic ground motions, aero, and blast loads. Mr. Morrill has extensive experience in planning, designing and conducting of laboratory and field test programs related to blast loading on structures. He participated in numerous structures underground add-on tests at the Nevada Test Site in the 70s and early 80s aimed at nuclear weapons effects. Most recently he has been project manager of a structural retrofit design contract that includes full-scale steel and reinforced concrete column testing at the Chestnut Test Site at Kirtland AFB; this project included the design of a unique column reaction structure designed to survive repeated blast loads. His expertise in earthquake engineering includes damage surveys of reinforced concrete structures involved in major earthquakes, development of seismic criteria, and analytical simulations of seismic response of surface and underground structures using both finite element and classical analysis methods.
Agnes Schultz
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Agnes Schultz

Accountant
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Agi joined K&C in 2009 tasked with all the accounting and financial functions for the company. Since 2009 she has served as the Accountant. Currently she works primarily with Accounting, Financial, Contract reviews, Government reporting and Audit compliance. Her primary responsibilities include bank and government relations, audit process and the daily financial obligations of the company. While at K&C she has pursued her Bachelor Degree from Business Administration – Specialized in Accounting and she graduated Suma Cum Laude from Capella University.
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Leonardo Torres, PE, SE

Principal, Chief Financial Officer
Leonardo Torres, PE, SE
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Leo is a Principal for K&C, primarily providing engineering services pertaining to protective design. He is also the Chief Financial Officer (CFO) and is responsible for managing K&C’s financial health. Leo has over 15 years of experience designing, analyzing, and constructing buildings and other facilities following conventional design practices; he also provides specialist engineering services pertaining to the design of structures to resist a variety of extreme loads, particularly those emanating from blast effects. Before joining K&C in 2006, he worked for two other respected engineering firms (Saiful Bouquet Structural Engineers and Wiss Janney Elstner Associates), where he completed dozens of successful projects. His unique relationship-based approach to communicating and understanding the needs of the client has allowed him to effectively align K&C’s highly technical staff so as to well satisfy the client’s needs in developing a work product. Leo is especially proficient at working with multi-disciplinary architectural, engineering, and construction firms to properly implement blast and impact resistant designs.
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Joe Valancius, PE, SE

Principal
Joe Valancius, PE, SE
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Mr. Valancius originally joined Karagozian & Case (K&C) in 1984 and has over 30 years of specialty structural engineering experience encompassing design, analysis, and construction of a wide variety of buildings and structures, ranging from hardened missile silos to hospitals. As a Principal for K&C, Mr. Valancius specializes in delivering projects involving structural engineering and construction support for various key clients. He also plays an important role in transitioning K&C’s Research and Development (R&D) technologies to benefit the architectural and engineering (A/E) community interested in protective design of building and industrial facilities. Most recently, Mr. Valancius has led K&C’s structural design efforts for the U.S. Department of State and the Department of Homeland Security for development of curtain wall retrofits designed to resist large explosive threats, while considering all of the other design and serviceability requirements that arise from installation of curtain wall systems in different climates. Throughout his career Mr. Valancius has been involved in similar design and analysis projects for various U.S. and foreign structures that might be subjected to conventional and nuclear weapons attacks, as well as terrorist attacks.
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Zachery I. Smith, PE

Vice President
Zachery I. Smith, PE
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Zach is a Vice President with K&C responsible for special projects, business development and company strategic growth. His expertise stems from composite materials for structural retrofit and blast mitigation. Over the past fifteen years Zach has researched, developed and designed composite materials to retrofit structures for seismic excitation and potential blast loads and impacts. He is a licensed professional engineer and holds two patents related to blast and protective design. Zach's capabilities include blast mitigation, structural and seismic retrofit, progressive collapse analysis and the design and use of advanced composites including fiber reinforced polymers, polyureas and advanced concretes.