aboutheader imageAbout


To be specialist in design, planning, management and monitoring of above and underground works, recognized as the engine of technological change, offering latest technology services through highly qualified personnel.


To be a leader in the engineering industry by adding value to our services through solutions with high standards of technology, knowledge, quality and safety.

SKAVA consulting is an engineering company specializing in geotechnical and underground construction projects, with high experience nationally and internationally, in different industries where the development of the geotechnical and underground works is fundamental, such as mining, energy, defense and transport.

Our Team

Our international team has a wide range of expertise in international above and underground projects. We are defined by integrity and commitment with our clients goals. Making our motto "Making every project a fascinating job" a reality for our clients and for each professional SKAVA.


Executive Management SKAVA consulting LLP

Tunnel Lead Engineer: Juan Pablo Merello
Mr. Merello is a Civil Geotechnical Engineer from the Pontifical Catholic University of Chile, with over 8 years of experience in all fields of Geotechnics with focus in Underground projects. Mr Merello has experience in design and construction of underground projects in Chile and Perú, as well as in Urban tunnels, Hydropower and Diversion tunnels.

Regional Manager: Dan Zerga
Mr Zerga is a Mining Engineer from the Colorado School of Mines, with over 40 years of engineering design and construction experience principally in underground design and related systems. Original from San Francisco, his specific experience includes: resource evaluations, rock mechanics, ground support, blast design and execution, tunnel engineering and construction, monitoring/instrumentation, equipment selection, computer modelling, project management and coordination, technical audits and design reviews, hydrogeology and detailed development of costs and schedules.

Expert Consultant: Dr. Thomas Marcher
Mr. Marcher has a M.Sc. in Civil Engineering from the Innsbruck University of Technology, Austria and a Ph.D. in Geotechnical Engineering from the University of Stuttgart in Germany. With more than 20 years of experience in design and construction of underground projects around the world (Europe, Asia, North America, South America) Mr. Marcher is the Head of Technical Manager for Skava worldwide and CEO for Skava Consulting ZT-GmbH (Austria). Since 2013 Mr. Marcher is a ZT Engineering Consultant for Civil Engineering and since 2014 Authorized and certified court expert advisor for tunneling, ground and foundation engineering, rock and soil mechanics.
Mr. Marcher’s experience includes Urban Tunnels, Hydropower plants, TBMs, and a vast of different Tunnel related matters as well as experience in more than 20 countries around the world. (CV, Projects, Papers)

Our team consists of more than 15 geotech/civil engineers and 15 engineering geologists with a wide range of expertise in international underground projects. For US projects we have our local team (including PE) supported by home-support services as required.

Technical Advisory Board

The SKAVA Technical Advisory Board advises the SKAVA US team on matters related to the technical agenda of SKAVA. The board consists of US-citizen which are well-connected in the tunnel industry. Quarterly meetings with the management directors serve for developing long-term client relations and to reach new markets.

Partners and Network

Based on an international network of partners from the private industry and universities SKAVA consulting LLP offers tunnel consulting and design services. Innovative, optimitzed and sustainable solutions into practice at the interface between soil/rock and structure are our primary goals.