Meet Our Team of Experts

To be the company our customers want us to be it takes an eclectic group of passionate leaders, client directors, and consultants. Get to know the people leading the way at Petrogenium.

Leadership Team

Tammo Beishuizen

Managing Director

Stefan Kardos

Director

Paul Newman

President Petrogenium USA LLC

Kelvin Halliwell

Regional Director Asia Middle East

Client Directors

Anna Kryzhanovskaya

Client Manager

Bryan Lee

Client Director

Jannes Regterschot

Client Director

Jim Overman

Client Director

John Hogan

Client Director

Koeno Siemons

Client Director

Mae Ascan

Client Director

Mark Schweighauser

Client Director

Rhys Davies

Client Director

Richard Mortimer

Client Director

Stuart Gray

Client Director

Suwat Ekthumrong

Client Director

Practice Leads

Colin Schaverien

Practice Lead Renewable Resources

Eric-Hans Wolff

Director Petrogenium Academy

Jörn Falbe

Practice Lead Manufacturing Excellence

Koeno Siemons

Practice Lead Commercial & Retail

Michael Conway Nunn

Practice Lead Hydrocarbon Logistics & Oil Movement

Rhys Davies

Practice Lead Project Realization

Experts

Alan Thangavelo

Principal Consultant

Anand Sundarrajan

Principal Consultant

Andreas Nowak

Managing Consultant

Anwar Tatariya

Principal Consultant

Bert Boxma

Principal Consultant

Bert Natalicchio

Managing Consultant

Bob Scheffer

Principal Consultant

Brent Churchill

Principal Consultant

Bridget Allaway

Principal Consultant

Brigitte Sölla

Principal Consultant

Charlie Herron

Senior Consultant

Charu Ehrenreich

Principal Consultant

Clive Beeby

Principal Consultant

Cor Sinke

Principal Consultant

Danny Peferoen

Principal Consultant

Dave Holthaus

Principal Consultant

Demla Reddy

Senior Consultant

Dieter Westermann

Principal Consultant

Eelko Brevoord

Principal Consultant

Egbert van Hoorn

Principal Consultant

Eugen Hofmann

Managing Consultant

Frank Öhlschläger

Principal Consultant

Frans van den Berg

Principal Consultant

Gerald Madore

Managing Consultant

Gerhard Köbe

Managing Consultant

Heinrich Büsch

Principal Consultant

Henk Helle

Principal Consultant

Henk Ketting

Principal Consultant

Himanshu Joshi

Principal Consultant

Hugo Looschen

Managing Consultant

Ibrahim Saleh

Principal Consultant

Jack Buehler

Principal Consultant

Jan Pranger

Principal Consultant

Jari Marci

Principal Consultant

Jason Beever

Principal Consultant

Jeroen M. van Koesveld

Principal Consultant

Jindrich Dvorak

Principal Consultant

Johan Jainudin

Principal Consultant

John Olson

Managing Consultant

John van Belkum

Managing Consultant

Karen Shook

Principal Consultant

Ken Savoie

Principal Consultant

Klaus Moeckel

Principal Consultant

Kristian Ahlgren

Principal Consultant

Laurent Spring

Managing Consultant

Louis Jacobs

Principal Consultant

Martin van den Heuvel

Principal Consultant

Peter Boons

Principal Consultant

Peter Bost

Principal Consultant

Robert Cooper

Principal Consultant

Robert Guertin

Principal Consultant

Sarah Reeves

Managing Consultant

Selwyn Maduro

Principal Consultant

Shailendra Mehrotra

Managing Consultant

Steve Kalota

Principal Consultant

Stuart Arnott

Principal Consultant

Susan Nelson

Managing Consultant

SV Rajesh

Principal Consultant

Tom Brumfield

Principal Consultant

Tom Chupick

Principal Consultant

Ulrich Koss

Principal Consultant

Wessel IJlstra

Principal Consultant

Willem Dijkstra

Principal Consultant

Wim Bosch

Principal Consultant