About LARSA, Inc.

LARSA 4D is recognized as the premier software for bridge engineers with unmatched tools for the analysis, design, construction, and rehabilitation of bridges. Advancing 3D finite-element analysis techniques since the 1980’s, LARSA continues to lead the field of bridge engineering software with nonlinear staged construction analysis, influence surface live loading, seismic analysis, and other complex design tools. LARSA’s flagship product, 4D BRIDGE SERIES, has become the most reliable software of its kind for segmental, cable-stayed, suspension, steel girder, precast, and other bridge forms.

LARSA, Inc. is privately owned and based in New York, with all its software development and product supports services conducted in-house.

Meet the LARSA 4D Team

The LARSA 4D Team is sharp, agile, and committed to doing whatever it takes to ensure you have a positive experience with LARSA 4D software products. Meet our team below and get to know the people who make our software work for you.
Ali Karakaplan, Eng.Sc.D.
Founder & President

Dr. Karakaplan is the founder of LARSA, Inc. and has been developing analysis software since the mid 1980s.

He is a fan of speed and frequents the race track where he’s in the blue run group of the Porsche Club of America. He holds an Eng.Sc.D. from Columbia University.

Kaan Karakaplan
Chief Financial Officer

Kaan Karakaplan is the Chief Financial Officer at LARSA, Inc.

He’s a certified instructor for the Porsche Club of America and frequently travels outside the country chasing high winds as an avid kite surfer.

Joshua Tauberer, Ph.D.
Head of Product Development

Dr. Tauberer leads the development of LARSA 4D and our emerging products.

He is an active civic hacker outside of the office where he develops software for government transparency. He holds a Ph.D. in linguistics from the University of Pennsylvania.

Özgür Kurç, Ph.D.
Computational Mechanics Lead

Dr. Kurç is a Professor of Structural Engineering in the Department of Civil Engineering, Middle East Technical University (METU).

He holds a Ph.D. degree in structural engineering from the Georgia Institute of Technology in high performance computing.

John Horner
Client Relations Manager

John Horner is LARSA's Client Relations Manager and Director of Media, Marketing and Sales. He is our company spokesman at national and international trade conferences.

John is an avid fly fisherman and professional fly tyer. He holds a bachelor's degree from the Maryland Institute College of Art.

Şeyma Bulduk
Head of Product Support

Şeyma Bulduk is a structural engineer and LARSA's Head of Product Support.

She holds a bachelor's degree in civil engineering and master's degree in structural engineering from Middle East Technical University.

Utku Albostan, Ph.D.
Senior Computational Mechanics Engineer,
Finite Element Analysis Lead

Dr. Utku Albostan is LARSA’s Senior Computation Mechanics Engineer and Finite Element Analysis Lead.

He holds a Ph.D. degree in structural engineering from Middle East Technical University. He studied the time effects of concrete and high-performance finite element analysis techniques.

Andac Lulec, Ph.D., P.Eng.
Senior Product Engineer, Integrations Lead

Andac Lulec is a Senior Product Engineer and Integrations Lead. Andac specializes in data exchange for LARSA users to move projects between software applications.

Andac received his Ph.D. degree in civil engineering from the University of Toronto. His thesis focused on the analysis of reinforced concrete structures subjected to missile impact and blast loading.

Şafak Türkeli
Software Engineer, New Products Lead

Şafak Türkeli is a Software Engineer and New Product Lead working on LARSA’s emerging products.

He is learning to play the piano in his spare time. He holds a bachelor’s degree in civil engineering from Middle East Technical University.

Dilara Çakır
Senior Technical Support Engineer

Dilara Çakır is a Senior Technical Support Engineer on LARSA's technical support team.

She is interested in analogue photography and playing flute. She holds a bachelor’s degree in civil engineering and master’s degree in structural engineering from Middle East Technical University.

Seher Dilek
Structural/Software Engineer

Seher Dilek is a civil engineer and software developer working on LARSA’s emerging products and technologies.

Seher earned her degree in civil engineering from Middle East Technical University.

Maria Fedorova
Structural/Software Engineer

Maria Fedorova is a structural engineer and software engineer working on LARSA's emerging products and technologies.

Maria earned her master's degree in civil engineering from the University at Buffalo and is currently completing her Ph.D. degree in computational engineering mechanics from the University at Buffalo. She enjoys hiking, ice skating, and snowboarding in her free time.

Can Albayrak
Technical Support Engineer

Can Albayrak is a civil engineer on LARSA's technical support team.

Can holds a bachelor’s degree in civil engineering from Middle East Technical University and is currently pursuing a master’s degree in structural engineering at METU. He enjoys cycling and watching movies in his spare time.

İlke Togay
Technical Support Engineer

İlke Togay is a civil engineer on LARSA's technical support team.

İlke holds a bachelor's degree in civil engineering from Middle East Technical University. She enjoys practicing yoga and its philosophy and is an amateur photographer in her spare time.

Çağlar Yılmaz
Structural/Software Engineer

Çağlar Yılmaz is a civil engineer and software developer working on LARSA’s emerging products and technologies.

Çağlar earned his master's degree in civil engineering from Middle East Technical University.

Müge Özgenoğlu
Technical Support Engineer

Müge Özgenoğlu is a structural engineer on LARSA’s technical support team.

Müge received her bachelor’s and master’s degrees in civil engineering at Middle East Technical University and is currently completing her Ph.D. degree in structural engineering at the same university. She studies dynamic analysis of pile-foundation structures.

Prof. Mettupalayam Sivaselvan
Advisor, Computational Engineering Mechanics

Dr. Sivaselvan is a Professor and Director of Undergraduate Studies at the Department of Civil, Structural and Environmental Engineering at the University of Buffalo.

Dr. Sivaselvan received his M.S. and Ph.D. degrees in civil engineering from the University of Buffalo.