Team

Executive Team

Ann MacKenzie, CPA, CA, MEC

Ann MacKenzie, CPA, CA, MEC

Chief Executive Officer

BComm, Saint Mary’s University
Certification, Institute of Corporate Directors, University of Toronto

Ann joined ACENET from the Conference Board of Canada, where she was Executive Director for Atlantic Canada, responsible for business development activities and managing senior relationships with the board’s key clients in the region. Prior to this, she was the President and CEO of Film Nova Scotia, a provincial Crown corporation where she was responsible for promoting, growing and stimulating investment in the local film industry. Throughout her 25-year career, Ann has built relationships and worked with municipalities, universities, hospitals and boards, and her expertise spans multiple business environments in both the private and public sectors.

ann.mackenzie@ace-net.ca
902.430.8227

Greg Lukeman, MSc

Greg Lukeman, MSc

Chief Technology Officer

MSc Applied Mathematics, Dalhousie University

Greg Lukeman has been involved with HPC, either as a user or managing executive for over 15 years. Greg was instrumental in the development of ACENET, Atlantic Canada’s Advanced Computing organization. As Chief Technology Officer since 2007 and Chief Operating Officer since 2016, Greg has built ACENET’s technical team and led the architecture and operations of its computing resources and research services. He has also been closely involved in the evolution of Compute Canada since its inception and recently helped author a report to the federal government that has led to substantial new investments in digital research infrastructure in Canada. Greg has an MSc in Applied Mathematics from Dalhousie.

greg.lukeman@ace-net.ca
902.867.2476

Michele Fash, MBA

Michele Fash, MBA

Director, Business Development

MBA, Dalhousie University
BBA, Acadia University

Michele has been in the marketing field for almost 25 years, her work spanning both the public and private sectors and a variety of industries. Along the way, she’s worked in Public Affairs with the Department of National Defence in Ottawa, marketed fries for McCain Foods (Canada), sand and gravel for The Shaw Group Ltd. and medical devices for Uplift Technologies. She’s also done private consulting with organizations ranging from start-up to large nationals. Michele’s core skills include strategic planning & execution, research & analysis, branding & product positioning, and new product planning & launches. Within ACENET, Michele is responsible for building the ACENET brand, expanding awareness of the benefits of advanced research computing and attracting new clients.

michele.fash@ace-net.ca
902.680.2693

Sheldon Pike

Sheldon Pike

Director, Finance (Operations)

BComm, Memorial University of Newfoundland and Labrador
CMA, CPA, Chartered Professional Accountants – Newfoundland & Labrador

Sheldon joined ACENET in late 2017 from Memorial University. He has been with Memorial University for five years in an accounting and finance role. His work experience been entirely within the educational sector. Sheldon comes from a professional accounting background with strong analytical and managerial skills.

sheldon.pike@ace-net.ca
709.864.3280

Technical Team

Please follow instructions on the Ask Support page in order to reach the entire technical team. This is the preferred method of requesting technical support and will ensure that your request is assigned a number and tracked.

Research Consultants

Ross Dickson

Ross Dickson

Dalhousie University

Ph.D. Computational Chemistry, Queen’s University
ITIL Foundation Certificate

After a postdoctoral fellowship at the University of Calgary, Ross worked in software development and user support for Hypercube, Inc., makers of HyperChem for Windows, and for Molecular Mining Corporation where he helped create some of the earliest software for analyzing high-throughput gene expression data.

Since joining ACENET in 2007 as a Research Consultant, Ross has been certified as an instructor by Software Carpentry (http://software-carpentry.org) and is responsible for education, outreach, and support of users across a wide range of disciplines.  He is a specialist in the administration of Grid Engine, and has led various special projects such as ACENET’s first Hadoop trials and the deployment of the Globus Online high-speed file transfer system.

Oliver Stueker

Oliver Stueker

Memorial University

Dr. rer. nat. Computational Chemistry, University of Paderborn, Germany

Oliver has been with ACENET since 2015. He has 15 years of computational research experience in the fields of molecular modelling, chemistry, and bioinformatics. He has held post-doctoral positions at the Donnelly Centre for Cellular & Biomolecular Research at the University of Toronto, doing computational network biology working on active cell maps, and at the NRC’s National Institute for Nanotechnology in Edmonton, where he performed molecular dynamics studies on the interactions between proteins and functionalized Gold nano-particles. Most recently, Oliver has been working with Dr. Ray Poirier at Memorial University, and Dr. Jason Pearson at the University of Prince Edward Island on ‘Retrievium’, a repository for quantum-mechanical information.

oliver.stueker@ace-net.ca
709.864.3021

Gurpreet Matharoo

Gurpreet Matharoo

St. Francis Xavier University

Ph.D. Theoretical Condensed Matter Physics, Jawaharlal Nehru University, India

Gurpreet has worked as a Research Associate with Dr. Peter Poole at St. Francis Xavier University (St.FX) in computational Condensed Matter Physics where he used techniques of Molecular Dynamics (MD) and Monte-Carlo simulations on research problems exploring amorphous materials and the glass transition. More recently, he has been working with Dr. Hugo Beltrami at St.FX whereby he has been a part of several original and interrelated lines of research being pursued to address the basic and advanced issues in Climate change, Past climate reconstructions (paleoclimatology) and Regional Climate Modeling. Gurpreet has significant experience in writing codes in Fortran, C and C++. He has also taught undergraduate courses in the departments of Earth and Environmental Sciences, Engineering, and Physics at St.FX.

gurpreet.matharoo@ace-net.ca
902.867.2145

Sergiy Khan

Sergiy Khan

Saint Mary’s University

Ph.D. Astrophysics, Odessa National University, Ukraine

Sergiy has been providing user support with ACENET since 2007, and has managed HPC and server infrastructure since 2002. Sergiy was the driving force behind our consistent user experience across HPC systems and our user and system documentation. He has built and/or customized and maintained our software environment, Infiniband and Myrinet networks, SGE installation, ticketing system and the wiki-driven website. He works closely with systems administrators to diagnose and troubleshoot problems, test environments, and analyze performance. Prior to ACENET, Sergiy was a Postdoctoral Fellow at the University of Western Ontario doing computer modelling of stellar atmospheres.

sergiy.khan@ace-net.ca
902.491.6234

Joey Bernard

Joey Bernard

University of New Brunswick

BSc Physics, BCSci, University of New Brunswick
ITIL Foundation Certificate

Joey has been with ACENET for since 2008. Previously, he spent 6 years as a developer, and then systems architect, at Caris, a leading developer of geospatial software for the hydrographic and marine community. Joey has significant experience writing and debugging code in Python, C, C++ and FORTRAN. He has also taught workshops on Linux, shell script programming, MPI and OpenMP programming, Python, R and C. Joey writes a monthly column on scientific computation for Linux Journal and a second monthly column on Python programming with the Raspberry Pi for Linux User and Developer. He is currently writing a book on Python Recipes for APress. He has taught undergraduate courses in numerical methods, shared-memory parallel programming and computational physics.

joey.bernard@ace-net.ca
506.458.7273

Chris Geroux

Chris Geroux

Dalhousie University

PhD Astrophysics, Saint Mary’s University

Chris has been working in HPC since 2005 and joined ACENET in 2015, with a focus on Big Data. During his PhD he developed a multi-dimensional hydrodynamics code utilizing the parallel environment at ACENET to explore the interaction of convection and radial pulsation in RR Lyrae variable stars. A key component of this work was developing a domain decomposition framework using OpenMPI to parallelize the code.

More recently he was an associate research fellow at the University of Exeter where he worked on a team of international researchers. Key roles included the continued development of a hydrodynamics code, analysis and visualization of the resulting large datasets, development and maintenance of command-line tools used by the group, and to conduct novel research. His focus was on understanding how newly accreted material is redistributed by convection in young forming stars, and how the existing convection is modified by the accretion of new material.

In addition to these formal roles Chris also has interests in visualization and 3D computer graphics.

chris.geroux@ace-net.ca
902.494.2444

Lee Wilson

Lee Wilson

Dalhousie University

MLIS, Dalhousie University

Lee joined ACENET in 2017 as a Research Consultant specializing in Research Data Management. Prior to taking on this role, Lee worked with the Marine Environmental Observation Prediction and Response (MEOPAR) network’s Data Management Project, solving issues related to the storage, discovery, and accessibility of ocean data. Lee holds a BA (English) from Mount Allison University and a Master of Library and Information Studies from Dalhousie University. His thesis research focused on understanding information pathways in complex networks, particularly in the context of natural resource management occurring in coastal and ocean regions.

lee.wilson@ace-net.ca
902.233.8927

Systems Administrators

Craig Squires

Craig Squires

Memorial University

Ph.D. Philosophy, University of Toronto
Diploma in Information Technology, Memorial University of Newfoundland
ITIL Foundation Certificate

Craig has been with ACENET since 2009, on secondment from Memorial University. He has been with Memorial University for 15 years as a Linux/UNIX systems administrator with the Department of Computing and Communications, and with the Departments of Computer Science and Mathematics. Craig has experience managing and maintaining servers, blade centres, SANs, tape systems, and network switches (fibre channel, ethernet, and Infiniband). He has significant experience in identity and access management, OS management, login services, firewalls and security, web services, job scheduling, revision control, performance monitoring, DNS, DHCP, email, virtualization, and SAN/distributed/tiered file systems.

craig.squires@ace-net.ca
709.864.4505

Phil Romkey

Phil Romkey

Saint Mary’s University

BSc Computer Science, Acadia University
ITIL Foundation Certificate

Phil has over 20 years of experience as a Unix System Administrator, working in academic and industry environments performing IT infrastructure design, implementation and management. He has significant experience in Unix, TCP/IP networking, Myrinet interconnect, computer security, hierarchical file systems (including SAM-QFS) and cluster computing systems. Prior to being the Lead System Administrator with ACENET, Phil worked as a Unix Administrator for the Research Institute at Toronto’s Hospital for Sick Children and was the Unix and Network Administration Team Leader for software developers at Alias Research.

phil.romkey@ace-net.ca
902.496.8784

Lu Yang

Lu Yang

University of New Brunswick

MSc Mathematics, Henan University, China
ITIL Foundation Certificate

Lu Yang has been working with ACENET as an HPC Systems Administrator for 8 years. His expertise includes Linux and Solaris administration, network configuration, hardware and software installation, monitoring and automation, license administration, scripting, and storage administration. He has worked closely with Facilities Management, local IT service departments and various vendors. He has obtained certificates in the administration of Sun N1Grid Engine and SAM-QFS File Systems.

lu.yang@ace-net.ca
506.453.4562

Karl Vollmer

Karl Vollmer

Dalhousie University

BA History, Oregon State University
ITIL Foundation Certificate

Karl has worked with ACENET since 2010 and has over 10 years experience in networking, systems administration and programming in academia. Karl managed the Oregon State University residence hall network – 10 buildings with approximately 5000 devices – in addition to designing and implementing campus wide network management tools and detecting and responding to network security issues. Currently, Karl provides systems administration support for ACORN, including maintaining their stratum 1 time servers. Karl has experience with Infiniband networking, network security, application development, parallel file systems, HPC scheduling systems and VMware virtualization.

karl.vollmer@ace-net.ca
902.494.1217

Scott Wilson

Scott Wilson

Dalhousie University

BA Psychology, Corban University
BA Theology, Corban University
ITIL Foundation Certificate

Scott has over 20 years of experience working in academic university environments as a Systems Administrator and IT Manager, performing IT service and infrastructure design, personnel management, institutional IT consulting, and IT leadership. He has significant experience in Linux, TCP/IP networking, cluster computing systems, video conference infrastructure and system design, Active Directory and Windows services, Novell Netware and NDS infrastructure, VMware virtualization, visualization technologies, organizational service design, policy creation, and IT recruitment/personnel management. Prior to being the HPC Team Lead for Dalhousie University, Scott worked as an IT Manager for Oregon State University, and was instrumental in building a new internal service organization to provide central IT Services to the university community.

scott.wilson@ace-net.ca
902.494.7172

Developers

Daniel Deveau

Daniel Deveau

Dalhousie University

BCSci, Acadia University

Graduating from Acadia in 2015, Daniel joined ACENET in 2016 as a software developer, with responsibilities both regionally and on the national Compute Canada development team. Daniel has completed multiple co-op software development positions. He has experience in a web development environment using Ruby on Rails, and his background includes working with compiled languages such as C, Java and Go. Daniel’s thesis focused on developing algorithms for the heuristic optimization of university exam scheduling. As an undergraduate, Daniel, as part of three-person team, placed third in the 2013 Science Atlantic Computer Science Programming Contest.

daniel.deveau@ace-net.ca