Management Group
Mikko Immonen
CEO, Resand Oy since 11 August 2025
Born: 1973
Education: M.Sc. Technology
Immonen was appointed as CEO of Resand Ltd in August 2025. Previously, he has acted in several managerial positions. At Resand Ltd, Chief Commercial Officer, Head of Market Areas, April–August 2025, at Hitachi Zosen Inova from 2020 to 2022 as Vice President, Business Unit Systems & Service, and Normet Group from 2016 to 2020 as Senior Vice President.
Key work experience:
- Resand Oy: Chief Commercial Officer, Head of Market Areas, April–August 2025
- MI Growth GmbH: Managing Partner, 2022–
- Hitachi Zosen Inova: Vice President, Business Unit Systems & Service, Executive committee member, Board member, 2020–2022
- Normet Group: Senior Vice President, Service business, Executive Leadership Team member, 2016–2020
- Outotec: Senior Vice President Sales and Marketing, Energy & Water, 2015–2016
- Outotec: Vice President Services, Metals, Energy & Water Business Area, 2014–2015
- Outotec: Vice President, Business Line Operation & Maintenance, 2010–2014
- Outotec: Vice President, Services and After Sales, 2009–2010
Current positions of trust:
- Dolea Ltd, Chairman of the Board, 2023–
Heikki Kaasalainen
EVP, Delivery, Resand Oy since 2021
Born: 1966
Education: Bachelor of Engineering (B.Eng.), Electrical Engineering
Kaasalainen has served as Executive Vice President (EVP), Delivery, of Resand Oy since 2021. Previously he has acted in various managerial positions at Glaston Finland; from 2019 to 2021 as Senior Engineering Director, from 2015 to 2019 as Vice President, Production & Quality, from 2011 to 2015 as Factory Director and from 2009 to 2010 as Director Project Manager.
Key work experience:
- Glaston Finland Oy, Senior Engineering Director, 2019–2021
- Glaston Finland Oy, Vice President, Production & Quality, 2015–2019
- Glaston Finland Oy, Factory Director, 2011–2015
- Glaston Finland Oy, Director Project Manager, 2009–2010
Jukka Nieminen
EVP, Technical Sales, Resand Oy since 2018
Born: 1974
Education: IT Mechanic
Nieminen has served as Executive Vice President, Delivery, of Resand Oy since 2018. Previously he has worked as a plant manager at Sibelco Nordic Oy's Karviaplant and at FesconOy as a plant manager at Harjavalta.
Key work experience:
- Fescon Oy, Sales and Production Manager, 2015–2018
- Sibelco Nordic Oy, Sales and Production Manager, 2009–2015
- Karvian Hiekkamylly Oy, CEO, Partner, 2007–2009
- Karvian Hiekkamylly Oy, Production Manager, Partner, 2001–2007
- Karvian Hiekkamylly Oy, Foreman, Production, 1994–2001
Current positions of trust:
- Resand Oy, Board member, 2020–
Maarit Nissinen
CFO, Resand Oy since 2021
Born: 1970
Education: M.Sc., Management and Leadership
Nissinen has served as Chief Financial Officer (CFO) of Resand Oy since 2021. Previously she has acted as Senior Consultant and Business Consultant at Konsulttitoimisto Seppo Hoffrén Oy Consultancy from 2010 to 2021. Prior to this, she has acted as Business Consultant on a freelancer basis and as Managing Director at VK-paino Oy.
Key work experience:
- Konsulttitoimisto Seppo Hoffrén Oy Consultancy, Senior Consultant, 2016–2021
- Konsulttitoimisto Seppo Hoffrén Oy Consultancy, Business Consultant, 2010–2016
- Freelancer, Business Consultant, 2009–2010
- VK-paino Oy, Managing Director, 2001–2009
Jarkko Partinen
Chief Technology Officer (CTO), Resand Oy since 2022
Born: 1962
Education: D.Sc. (Tech.), eMBA
Partinen has served as Chief Technology Officer (CTO) of Resand Oy since 2022. Partinen has a 25-year career in industry leading technology, production, innovation, and global services business development.
Key work experience:
- Metso Outotec Oyj (Finland Oy), Metals Refining Business Area and Outotec Research Center, Vice President, 2015–2022
- Metso Outotec GmbH; Metals, Energy & Water Business Area, Vice President 2013–2015
- Outotec Research Center Oy, President, 2011–2013
- Outotec Research Center (previous Outokumpu) Oy, Vice President, Research and Technology Development, 2005–2009
- Ovako Steel Oy, Manager Steel Plant, Production Mgmt., 2004–2005
Toni Wesin
EVP, Start-ups &Innovations (founder), Resand Oy since October 2025
Born: 1984
Education: Professional Maritime Qualification
Wesin founded Resand in 2014. He has been an entrepreneur in the recycling industry since 2006 and has developed methods to recover foundry sand.
Key work experience
- Resand Oy, founder 2014
- Entrepreneur in the recycling industry since 2006
Current positions of trust
- Suomen Uusioraaka-aineliitto, Board member, 2022–
- Varma Mutual Pension Insurance Company, Consultative Committee of Self-employed Persons, Board member, 2022–
Roberto dos Santos
Executive Vice President, Market Areas, Resand Oy 1 September 2025
Education: PhD and MA in material & foundry sciences
Dr. Roberto dos Santos has more than 25 years of experience in industrial and foundry management positions in Europe and South America. Dos Santos started as Resand's Business Development Director in February 2023. Before that, he worked in Germany for the Gienanth Group, one of the world's leading foundry companies. Dos Santos held several senior management positions within the company, including Managing Director and CTO. He was responsible for developing new products and materials, optimizing processes, driving business development, and leading strategic projects, among other key responsibilities.
Key work experience
-
Resand Oy, Business Development Director, 2023–2025
-
Gienanth GmbH, Executive Managing Director, 2016–2023
-
Fundicao Balancins Ltda, Industrial Director, 2013–2016
- WHB Automotive, Industrial Director, 2008–2013
Tero Kolhinen
COO, Resand Oy since October 2025
Born: 1971
Education: Licentiate in Technology
Tero Kolhinen has 15 years of experience in executive positions in the mining and metals industry. Kolhinen started as Resand's Commercial Product Director in 2024. Before that, he worked at Metso, Metals Business Area, as Director of Product Life Cycle Management and Productization. Previously, Kolhinen held several management positions at Outotec, where he was responsible for e.g. service product management, business development, and technical services.
Key work experience
-
Resand Ltd, Commercial Product Director, 2024–2025
Metso, Business Area Metals, Product Life Cycle Management & Productization, Director, 2020–2024
Outotec, BU Services, Director and Vice President positions in Services and Service Product Management, 2015–2020
Outotec, Services, Business Development Manager & Manager of Technical Services, Services Quotations and Services Projects, 2014–2015
Outotec, Services, Head of Technical Support, Service Proposals and Service Projects & Head of Site Operations Finland (Kokkola & Harjavalta), 2010–2014