![HeiligA | Contact Box Image](/en/webimage/046421/3657788/amy-heiling_760x570.png?mw=160&hash=f64ff30b4842151323402f4175c5bcd0e50d3270)
Amy Heilig serves as the CEO of our USA office based in Philadelphia, PA. She also offers sales and technical support while actively contributing to the development of Dlubal Software programs tailored for the North American market.
![BaconA | Contact Image](/en/webimage/046306/3654975/alex-bacon_760x570.png?mw=160&hash=5e067b0c16de55c7d05fccc19ecc74978c7c40b0)
Alex is responsible for customer training, technical support, and continued program development for the North American market.
![Cisca Tjoa | Contact Image](/en/webimage/046480/3659593/cisca-tjoa_760x570.png?mw=160&hash=d118276273ebdc4e9ae24d46f99cbe50129b0383)
Cisca is responsible for customer technical support and continued program development for the North American market.
![Jonas Bien | Contact Image](/en/webimage/046523/3660832/Web_Image_(4).png?mw=160&hash=60bafd3737a1e7f2c41aa887581eb6df42fcdd30)
Dr. Bien is responsible for the development of products for steel structures and provides technical support for our customers.
![EfflerS | Contact Image](/en/webimage/046224/3658737/stine-effler_760x570.png?mw=160&hash=6038a1262a8b887528fba3732624f173203fe1be)
Ms. Effler is responsible for the development of products for dynamic analysis and provides technical support for our customers.
![Thomas Eichner | Contact Image](/en/webimage/046514/3660625/Foto_bearbeitet_Thomas-eicher_760x570.png?mw=160&hash=71c8316b697dc06f5eb4537d3ef556f0340a3d15)
Mr. Eichner is responsible for the development of products for dynamic analysis and provides technical support for our customers.
![FaulstichF | Contact Image](/en/webimage/046201/3658728/frank-faulstich_760x570.png?mw=160&hash=94dc329e7f847ec27bee29f9b0206a7cb6b35f04)
Mr. Faulstich is responsible for the quality assurance of the RFEM program and provides customer support.
![FröhlichW | Contact Image](/en/webimage/046213/3658734/walter_frohlich_760x570.png?mw=160&hash=ffade8c5fff4fd582df74ded0e5b70801177ddf9)
Mr. Fröhlich provides technical support to our customers and is responsible for development in the area of reinforced concrete structures.
![KaratasD | Contact Image](/en/webimage/046485/3659662/dogukan-karatas_760x570.png?mw=160&hash=fbcbbd16b413993ca936fc09959a83f044b12617)
Mr. Karataş is responsible for the development and quality assurance of Dlubal programs.
![Kazemian | Contact Image](/en/webimage/046325/3655379/mahyar-kazemian_760x570.png?mw=160&hash=754926d5f14cb680c3c8c19f493b8dbf1259b5cd)
Mr. Kazemian is responsible for the product development and marketing for Dlubal Software, in particular for the RWIND 2 program.
![Bastian Kuhn](/en/webimage/031549/3314395/bastain-kuhn_760x570.png?mw=160&hash=c7c47e0275f3c4910d76baf1092c5eca3b25332e)
Mr. Kuhn is responsible for developing products for timber structures, and provides technical support for our customers.
![LexU | Contact Image](/en/webimage/046234/3658742/ulrich-lex_760x570.png?mw=160&hash=34b83b0f03726fdfbb55c49f5bfb835c7680b8bc)
Mr. Lex is responsible for developing products for glass structures and for quality assurance of the RFEM program. He also provides technical support for our customers.
![Alexander Meierhofer](/en/webimage/005977/3658752/alexander-meierhofer_760x570.png?mw=160&hash=b43dac241a958324f1d0d03535939c04eb40bddc)
Mr. Meierhofer is the development leader of programs for concrete structures and is available for the customer support team in case of questions related to reinforced and prestressed concrete design.
![NiemeierA | Contact Image](/en/webimage/046175/3658718/andreas-niemeier_760x570.png?mw=160&hash=f20629e2a77ca52d6f7081695336f5918f8376bd)
Mr. Niemeier is responsible for the development of RFEM, RSTAB, RWIND Simulation, and in the area of membrane structures. He is also responsible for quality assurance and customer support.
![Heet Rojivadiya | Contact Image](/en/webimage/046503/3660536/heet-rojivadiya_760x570.png?mw=160&hash=491d7e92b0f4000c06e33628146f0f79ef593d66)
Mr. Rojivadiya is involved in the area of API technology, where he programs various tasks using Python.
![Paul Sivolgin | Contact Image](/en/webimage/046506/3660564/paul-sivoling_760x570.png?mw=160&hash=90939e647b4a0c544e23e3d735d3334c83848c5a)
Mr. Sivolgin supports product development in the area of interfaces.
![StopperJ | Contact Image](/en/webimage/046486/3659667/juliane-stopper_760x570.png?mw=160&hash=79bd1199e9427a11f8c140826fa8e61dd8c6f46a)
Ms. Stopper provides technical support for our customers and is responsible for the development of products for geotechnical engineering.
![SuehnelL | Contact Image](/en/webimage/047470/3698515/lukas-suhnel_760x570.png?mw=160&hash=f95c135dda89f96c46b8a0d393e6f0982d949de4)
Mr. Sühnel is responsible for the quality assurance of RSTAB; he also participates in product development and provides technical support for our customers.