Brad Dyke, P.Geo

Geoscience Services Manager

Mr. Brad Dyke is a Professional Geologist registered under the Professional Engineers and Geoscientists of Newfoundland & Labrador for 9 years. He has nearly 14 years of experience working throughout Atlantic Canada and in South America. Mr. Dyke obtained his B.Sc. Honours degree from Memorial University in 2003, and has worked for Cornerstone Resources a mineral exploration company, and Pennecon Limited a construction oriented company, both based out of St. John's, NL.

Mr. Dyke has a broad range of experience in aggregate exploration, industrial & economic mineral exploration, quarry lease procurement and varying civil engineering work. He is experienced in a variety of technology and computer software applications including MapInfo/Discover GIS software.

Mr. Dyke is an extremely diversified geologist with a unique skill set. He has worked on various mineral deposit model types at the grassroots stage and at a resource definition level. This has included compliation work, project generation, property assessments, project planning, designing drill programs, budgeting, tendering, permitting, lands management, delegating and supervising field exploration work, prospecting, property scale mapping, trench mapping, core logging, supervising drill programs, report writing, interpretation of results, preparing presentations, presenting data to potential joint venture partners, property tours, preparing press releases as a qualified person and more. Mr. Dyke has also discovered new concrete grade aggregate resources, completed field assessments confirming volumes and quality, prepated quarry lease plans, been involved with public consultations regarding lease procurement and managed over 40 quarries. He has also provied extensive assistance to the civil engineering tendering process and has been involved with client relations on large construction projects.

Currently, Mr. Dyke is providing geoscience services to various industries throughout NL. He provides services in areas such as aggregate assessments, quarry design and management, mineral exploration consulting and a range of other geological services.


Roy Skanes, B.A., M. Phil



Mr. Roy Skanes has been involved in archaeological research since 1978 and has worked extensively on Pre-Contact and Historic-Period Aboriginal and European sites in Newfoundland and Labrador, Nova Scotia, New Brunswick, Quebec, Ontario, and Alberta. He holds a B.A in Anthropology (Archaeology and French) from Memorial University of Newfoundland and a Masters degree, with a specialization in archaeology from the University of St. Andrews, Scotland. Since 1990, Roy has directed several Historic Resources Assessments related to road construction other developments in the province and, in the 1990s and early 2000s, directed assessments and archaeological surveys for the Lower Churchill Hydroelectric Project and for LabMag and Labrador Iron Mines in Western Labrador. He has also completed background reviews of historic archival material and conducted informant interviewing for Land and Resources Use studies. Recently, he directed the Historic Resources Assessment of Nalcor's Labrador-Island Transmission Link from Happy Valley-Goose Bay to Soldiers Pond on the Island's Avalon Peninsula and, between 2012 and 2015, led research teams that completed the excavation and recording of Pre-Contact and Historic-Period archaeological sites at Muskrat Falls and further west on the Churchill River. On the Island, he has directed multi-year achaeological research projects within Trinity Bight, Trinity Bay, and on Carbonear Island in Conception Bay, and conducted background research of 18th and 19th century documents and maps related to Fort Townshed in St. John's. He also led an extensive field study required at that site prior to construction of The Rooms Provincial Museum, Archives and Art Gallery.


Stephen Rowe, B.Sc.
Senior Technical Manager

Stephen Rowe is a Senior Technology Manager and Senior Project Manager with SEM based in St. John’s, Newfoundland.  Since graduating with a Bachelor of Science degree in Geography in 1998, he has gained over 15 years of experience as an environmental consultant with a focus on GIS, Remote Sensing and Information Management.  Aside from working for SEM, Mr. Rowe has a diverse background as a GIS and Information Management professional including working for a GIS consulting company, Parks Canada, Provincial Parks and Natural Areas, a seismic surveying company and an environmental/engineering consulting firm.

Mr. Rowe has involved himself in various GIS, information management and application development assignments including conceptual design and management of online database management systems and map applications, establishment of project collaboration sites, land cover classification using satellite imagery, linear corridor utility and pipeline projects, LiDAR data processing and interpretation, transportation projects, wetland and watershed studies, marine GIS and environmental effects monitoring mapping, biophysical assessments, mapping of environmentally significant areas and species at risk, and a range of wildlife/resource management projects. Stephen is also an experienced unmanned aerial vehicle (UAV) pilot and trained in the deployment of both fixed wing and rotary systems.

Stephen has over ten years’ experience as a project manager with formal training from Queen’s University and a variety of training programs related to his past work experience with environmental/engineering consulting firms. 


Bryan Martin, M.Sc.,
Director Field Programs

Bryan is a Biologist with SEM and has combined experience in interdisciplinary environmental science research and project management. Since he joined SEM in November 2011, Bryan’s diverse experience has positioned him as part of a variety of projects; including environmental baseline data gathering and monitoring, water quality assessment, sampling and analysis of freshwater and marine sediment, stream surveys, and environmental site assessments. He has also conducted fisheries population assessments using electro-fishing and sampling for benthic invertebrates.  Comfortable in a variety of scientific disciplines, Bryan is proficient at gathering primary and secondary data, carrying out analysis, and preparing technical reports. Bryan is also experienced in waterfowl and seabird banding programs, testing for avian influenza, and has previous experience related to coastal and lacustrine geomorphology.

Amanda Normore,
Director HR & Finance 


Amanda Turnbull has a Business Management diploma from the College of the North Atlantic. While studying there she completed courses such as Simply Accounting, Economics, Financial Accounting, Managerial Accounting, and Human Resources. She also has a Certified Payroll Manager certificate from the Canadian Payroll Association. 

As Director HR & Finance at Sikumiut Environmental Management Ltd., some of her duties include maintaining and providing payroll information, processing accounts receivable/payable invoices, processing time reports, processing expense claims, and any other financial duties required. She informs project managers of budget status’s as well as prepares and submits weekly and monthly reports to clients. Also, Amanda is administrator of all employee benefits and leave requests. 

Claire Moore-Gibbons, B.Sc.


Claire has a Bachelor of Science from McGill University and is currently completing a Master of Science in environmental science from Memorial University. Her thesis focuses on biogeochemical cycling and the influence of riverine inputs on the microbial food-web in Lake Melville, Labrador. During her undergraduate, Claire’s research focused on reconstructing lake histories using paleolimnological techniques. Throughout her academic career, Claire studied a number of disciplines, including aquatic ecology, evolutionary biology, biogeochemical cycling, plankton dynamics and ocean systems. 

Claire’s practical field and laboratory experience includes a variety of techniques and methodologies such as biological and isotopic analysis of sediment cores, algal growth experiments, bacterioplankton growth experiments, epifluorescence microscopy, water column depth profiling and transect surveys, biochemical and isotopic analysis of water samples, in situ fish and coral surveys, and terrestrial biodiversity surveys. She is comfortable with a several statistical and graphing software packages and has experience writing both academic and technical reports.



Crystal Kehoe, B.Sc.
Director H&S / QMS


Crystal has a Bachelor of Science from Trent University as well as a diploma as a Laboratory Technician from CDI College. Since joining the SEM team November 2010, Crystal has been part of a variety of projects including consultation programs, field sampling and environmental monitoring. She has lead and been part of freshwater field studies that involved the collection of water, sediment, benthos, fish and plankton. She has also been included in fish population studies using electo-fishing equipment. Crystal’s diverse experience also includes organizing and mediating public consultations throughout Newfoundland and Labrador. 

In addition to her biological role, Crystal has extensive experience in word processing and database management. Crystal was involved in leading a team responsible for database structuring and word processing for a recent major environmental impact statement. Currently, Crystal is the project manager for the Quality Management System at SEM.



Stefan Cahill, Dipl. Geomatics
Director of Geomatics

Mr. Cahill joined the SEM team after graduating from the Geomatics Engineering program at the College of the North Atlantic. During his studies he gained extensive knowledge in each aspect of Geomatics including land surveying, hydrographic surveying, remote sensing and geographic information systems (GIS). Since joining the company he has been able to further his skills in this field and has also gained valuable experience in environmental projects.

Mr. Cahill has participated in a wide array of projects during his time at SEM including construction oversight, environmental monitoring programs, environmental assessments, development of information management systems, ice studies, land and bathymetric surveys and fish habitat compensation projects. Mr. Cahill has taken part in all phases of the fish habitat compensation projects from the conceptual design, tendering, field coordination through to construction supervision. His dedication to projects and attention to detail has enabled him to accelerate to the position of ‘Director of Geomatics’ with SEM. Under his new role he has gained substantial experience in field construction supervisory roles. His primary responsibility is to ensure that design specifications, environmental compliance and safety performance is always achieved. These responsibilities have enabled him to gain extensive knowledge with respect to Environmental Response Plans (ERP) and Operational Health and Safety (OH&S) regulations.

Mr. Cahill’s is currently finishing up a secondment position for Wabush Mines as a project coordinator. During his tenor he served as the principle point of contact between the mine environment team and contractors. The focal project overseen by Mr. Cahill is the commissioning and testing of the new effluent water treatment plant. Prior to this role he served as an On-site Representative (OSR) for Nalcor Energy in the summer of 2013 on the Grand Falls Fish Bypass and Bishop Falls Trash Rack Replacement projects. These projects required an OSR to act as a full time safety officer, to carryout daily oversight on construction activities and ensure Nalcor officials were kept informed on all aspects related to the project.


Jason Lewis 
GIS Applications Specialist Dipl., Environmental Tech Dipl., B.A. Geography and Political Science

Environmental/GIS Technician

Jason Lewis is a GIS Specialist who works on the development and implementation of Geographic Information System (GIS) based projects. He has a Degree in Geography and Political Science from Mount Allison University, a Diploma in Environmental Technology from the University College of Cape Breton and a post graduate diploma in GIS Specialist Applications from the College of the North Atlantic.

Jason has extensive experience in GIS web development, creation and management of spatial data, cartographic design, bathymetry, spatial analysis and asset management. Some of Jason’s career highlights include aiding in the development of the GeoKIRV web development project, providing GIS support for natural resource projects and data management. Jason also has participated in a number of field projects including construction and environmental oversight of a fish habitat, stream and water surveys and ice monitoring.

Andrew Roberts, M.Env. Sc.
Environmental Specialist

Andrew Roberts works with both environmental and geomatics based project. He has a Bachelor's of Science Degree in Geography and Statistics, a Masters Degree in Environmental Science, and a Geographic Informations Sciences Diploma from Memorial University of Newfoundland.

Andrew has both field and office based experience focusing on GIS/remote sensing and uses advanced equipment including: oceanographic system, LiDAR, hyperspectral sensors, and unmanned aerial vehicles (UAV). Besides being involved with various environmental and geomatics projects, one of Andrew's main focuses is working on a research and development project involving the testing of beyond visual line of sight (BLOS) UAV operations for commercial usage. 

LeeAnn Muggeridge, MENV Tech. Dipl., B.Tech Eng.
Administrative Assistant/Environmental Technician

LeeAnn Muggeridge is a Marine Environmental Technology graduate from the Fisheries and Marine Institute of Memorial University of Newfoundland, here she developed all around skills and knowledge of lakes; rivers; coastal zones; and offshore areas; while learning how to protect the marine environment and develop solutions to manage marine resources. LeeAnn was involved in a yearlong study on Water Quality Indices with respect to campylobacter and salmonella of a local lake in St. John's as her technical thesis. LeeAnn continued on to complete the Bachelor of Technology Degree in Engineering and Applied Sciences at Memorial University. In this degree program she developed business and technology management skills in areas such as technology assessment, project management and quality management.

Previous academic experience includes a work term assisting in various fish studies and benthic ocean analysis, as well as previous environmental experience with a company in Nova Scotia conducting environmental air monitoring and completing hazardous materials assessments.