Leadership Team

The Eriez Flotation has a leadership team that has successfully led projects, operations and businesses related to mineral processing across the globe.  This gives us the perspective and depth of experience to be a trusted equipment vendor and partner to operations, engineers and mining companies throughout the world.  Here is our global leadership team.


Jaisen N. Kohmuench, Ph.D, PE
Vice President, International

Based in the USA

Jaisen has a B.Sc, M.Sc and Ph.D in mining and mineral processing from Virginia Tech.  As a doctoral candidate, he was sponsored by Eriez.  During this time, he was integral in the development of several patented technologies that are now the basis of Eriez Flotation's new technology portfolio.  Jaisen has numerous publications in the field of mineral processing and continues to support Eriez Flotation technically and commercially.     

Michael J. Mankosa, Ph.D
Executive Vice President - Global Technology
Based in the USA

Michael J. Mankosa is a graduate of the Mining and Minerals Engineering Department at the Virginia Polytechnic Institute where he received a Ph.D in 1990 in the area of process equipment design, instrumentation and control.

Michael was later employed as Director of Research & Development for Carpco, Inc. located in Jacksonville, Florida. Subsequently, he joined Eriez Magnetics as Technical Director in 1997 and was promoted to Vice President of Operations in 2003.  In his current position, he is responsible for Research & Development, Engineering, Information Systems and Manufacturing Operations.  He is also responsible for the acquisition and operation of two international engineering affiliate offices which have since grown into a separate minerals flotation division with six offices around the world.

Eric Bain Wasmund, Ph.D, P.Eng
Vice President - Global Eriez Flotation Business 
Based in Canada

Eric graduated in Chemical Engineering (B.Sc Queen's) and has a Ph.D in process metallurgy (Ph.D McMaster) and is a licensed professional engineer in Ontario and British Columbia.  He spent almost twenty years working for Inco and Vale in a number of technical and commercial roles worldwide related to process engineering and extractive metallurgy, most recently as the engineering manager for corporate capital projects.  He has also worked at Outotec, where he managed the North American flotation products business.

Asa Weber
Global Director New Flotation Products
Based in the USA

Asa Weber is the Global Product Director – New Flotation Products. In this role, he is responsible for the oversight and profitability of the StackCell® and the HydroFloat® product lines. Weber has held leadership positions at several high-profile companies in the minerals sector over the course of his more than three-decades-long career. His professional focus has mainly centered on mechanical and column flotation equipment. Weber earned both a B.Sc and M.Sc degree in mining and mineral processing.

Jose Concha
Global HydroFloat Product Manager
Based in Peru

Jose is a licensed Chemical Engineer (B.Sc, San Agustin University, Arequipa) and has a M.Sc in Metallurgical Engineering from the Catholic University of Rio de Janeiro (Brazil) and an MBA from ESAN Graduate School of Business, Lima. 

Jose joined Eriez in 2012 as Country Manager of Eriez Flotation Peru, recently (2021) he has been appointed as Global HydroFloat Product Line Manager. Prior to that Jose worked at Outotec (Peru) where he has held positions as process engineer, flotation manager and concentrator and hydrometallurgical plants manager for the Andean Market (Peru, Bolivia, Ecuador and Colombia).

Prior to that, Jose has worked as a senior supervisor at Newmont’s Yanacocha Mine (Newmont), a supervisor at Milpo’s Pampa de Cobre & Atacocha Mine, and as a process engineer at Buenaventura’s Orcopampa Mine and Transmin Metallurgical Consultants.

Craig Hutchinson
Global Product Manager, Sparger Products
Based in Canada

Craig is a graduate of the University of British Columbia. Craig has been a member of the Eriez Flotation Canada team (previously Canadian Process Technologies Inc.) since 2006.   Craig’s experience in industrial sales spans more than twenty years, primarily in the mining, HVAC and filtration industries.  Craig’s primary focus is sparging systems, focusing on flotation and leaching applications.  Craig works closely with our customers to provide superior sparging systems for new projects as well as retrofitting existing plants with state of the art sparging technology, which includes follow-up service and training.  

Tim Sheehan
Director of International Mineral Processing Sales
Based in Canada

Tim joined Eriez after five years as the senior mineral processing engineer at Unimin Corporation where he managed the technical services group through multi-disciplinary research into projects to improve the industrial operation of high purity quartz and glass sand processing. As well, Tim was a key member of the process design team through the development of a new 50 million dollar feldspar processing plant. Prior to that Tim spent several years as a graduate researcher at Virginia Tech. (Department of Mining and Minerals Processing) investigating column flotation systems.

After an initial period managing the technical services lab at Eriez Manufacturing Co., in Erie PA., Tim joined the Eriez Flotation in Canada where he leads the process engineering group. Tim has a B.S. in Mining and Minerals Engineering from Virginia Tech.

Erich Dohm
Senior Manager of Product Development and Commercialization
Based in the USA

Erich joined Eriez as manager of global testing services in 2019. In his current role, Erich manages Eriez Flotation’s product development and commercialization activities, including close collaboration with product management, R&D, sales, marketing, and engineering to define and execute flotation product strategy. Prior to Eriez, Erich worked for five years as a minerals process engineer for Jacobs Engineering. Erich is a registered professional engineer in the United States (Florida), and he received B.S. and Ph.D. degrees in Mining and Minerals Engineering from Virginia Polytechnic Institute and State University (Virginia Tech).


Eric Yan

Principal Procss Lead
Based in the USA

Eric joined Eriez in 2005. He completed his undergraduate Mining Engineering degree at the National Taipei University, after which he received his doctorate from Virginia Tech. Upon completion of his graduate studies, Eric held the position of Product Development Manager with Outotec (formerly Outokumpu) in Jacksonville, Florida. While at Outotec, Eric was responsible for several international patents.

Since joining Eriez, Eric has contributed significantly to the development of Eriez’ HydroFloat and StackCell flotation technologies through his roles as Product Innovation and Technical Directors. As Principal Technical Lead, Eric currently acts as a technical expert, assisting the global mineral processing and mechanical engineering teams in execution of industrial projects. In this role, Eric is fundamental to the training and improved education of the Flotation engineering group due to his extensive background in sulfide, industrial minerals, fertilizer, and coal flotation.

North America


Shashi Nemade, P.Eng
Managing Director – Eriez Flotation|Canada
Based in Canada

Shashi is a Mechanical Engineering graduate from Pune University in India and is a licensed Professional Engineer in British Columbia, Canada.  He has also completed his diploma in Business Management from Pune University.  Shashi has been a key member of the global Eriez Flotation team since 2006 and is now responsible for running the Canadian Operations, which includes sales, engineering and project execution in North America and around the world.

Drew Hobert
Operations Director – Eriez Flotation | USA
Based in the USA

Drew joined Eriez as a mineral processing engineer in 2014. He graduated with a B.Sc (2013) and M.Sc (2014) in Mining Engineering from Virginia Tech. While at Virginia Tech, Drew’s graduate research focused on flotation air sparging under an assistantship sponsored by Eriez Flotation.

Since joining Eriez, Drew has contributed to the continued development of Eriez’ HydroFloat and StackCell technologies within the sulfide industry while expanding Eriez Flotation’s laboratory and field technical service capabilities as Technical Services Manager. As Operations Director of Eriez Flotation USA, Drew currently manages the technical services group to provide support for global technical projects in collaboration with the global flotation team. Such support includes laboratory and pilot test services, new product development, and industrial commissioning and troubleshooting activities.


South America 

Javier Baeza
Deputy Managing Director – Eriez Flotation|Chile
Based in Chile 

Javier has a B.Sc in Civil Engineering from the Universidad Técnica Federico Santa María (UTFSM) in Valparaiso, Chile. He is responsible for Eriez Flotation’s Chile office.

Javier has over 15 years’ experience in project management and sales in different markets such as oil and gas, construction and mining. Before joining Eriez, Javier has worked as a project manager and as a product manager at Prodalam, which specializes in the supply of equipment and materials for tunnels, civil and mining projects.


Luciano Arantes
Deputy Managing Director – Eriez Flotation|Brasil
Based in Brasil

Luciano graduated with a Bachelor in Accounting at the Catholic University, Minas Gerais and a specialization in Cost Management from IETEC. He spent more than 15 years working as a Controller at a number of automotive multinational companies before joining Eriez in 2012.

Luciano manages the office in Brasil including management, planning, internal controls, treasury, financial statements, auditing, legal requirements, financials reporting, tax issues, IT and HR using his hands-on skill. He is also responsible for CAPEX and OPEX analyses.                

He has additional responsibility for overseeing financials statements and controls across all of the Eriez Flotation South America offices.

Christian Effio
Managing Director – Eriez Flotation|Peru
Based in Peru

Christian is a licensed Mechanical Engineer (B.Sc, Pontifical Catholic University of Peru) and has graduate Diplomas in Project Management & Quality (Pontifical Catholic University of Peru) and in Projects Engineering (University of Piura, Peru).

He is also a Certified Project Management Professional since 2013 and joined Eriez in 2016 as Project Manager.

Before joining Eriez, Christian worked at BISA (Peruvian Engineering Company) as Senior Mechanical Engineer and participated in feasibility studies, basic & detail engineering for important mining projects.

Prior to that, Christian worked at Outotec (Peru) and held positions as design engineer, engineering lead and project manager.

Australia and SEAP 

Homie Thanasekaran ( Thana- se’karan)
Sales Director - Eriez Flotation|Australia
Based in Australia

Homie graduated with a bachelor of chemical engineering from Anna University in India 2001. A Master’s of Science degree quickly followed in Royal Melbourne Institute of Technology 2004.

In 2006, Homie was hired by BHP Billiton to work as a project metallurgist in the Olympic dam operations. Majority of the project work was to directly support the froth flotation circuit optimisation and sulphide recovery improvement project.

 In 2011, Homie was hired by Eriez to work as a process engineer to help develop and support new flotation separation technologies. These efforts included work in froth flotation for fine particle flotation as well as coarse particle flotation. To this end, Homie has conducted multiple in field pilot scale test evaluations and regularly commission full scale equipment.



Theuns Van Rensburg
Sales Director - Eriez Flotation | South Africa
Based in Africa



Liu Aichun
Mining & Flotation Industry Manager - Eriez Flotation | China
Based in Tianjin, China

Aichun is responsible for running the business operations for mining industries in China as well as in Mongolia and Southeast Asia areas, focusing on flotation technology, combining with magnetic technologies. Aichun leads a team of 3 laboratory mineral processing engineers, who have rich knowledge and excellent capabilities in coal and minerals processing, supported by 2 professional mechanical engineers and 3 after-sales engineers, proving technical support, engineering, installation & commissioning, and customer management services.

Aichun has a B.Sc. degree in mineral processing engineering from the Northeastern University (NEU) of China. He has over 15 years’ experience in mineral processing since he graduated in 2005, started as a mineral processing engineer in an iron ore concentration company for 5 years. Aichun joined Eriez China in 2010 as the Test Lab Manager, in charge of the minerals and materials test, who developed himself as the Manager for the whole mining industries and becomes one of the pioneers for promoting the flotation technology in China, with successful running operations for Copper, Bauxite, Potash, Iron Ore, and Coal industries.