Building a Legacy of Innovation
TWD has a rich history of providing project management, engineering, procurement, and construction management solutions.

Customer Satisfaction, 25+ Years Strong
Our multidisciplinary project approach brings together professionals from different fields to collaborate and exchange ideas with our clients in multiple industries around the world. Through our expertise, innovative thinking, and commitment to excellence, together we deliver beyond all expectations.
The Story Behind TWD

TWD was formed by its founding partners, Milt Tsiapalis and Scott Wilson in 1994. The company remained a dream as they continued working in other careers, until 1999 when the dream became a reality with humble beginnings of their first office in Milt’s basement. Two best friends in pursuit of turning their passion into a profession along with their desire for growth and a challenge led to the naming of this company TWD… a play on words initially of “Two Weird Dads” was fitting as they both had young families in the early years of the company. Eventually leading to our core value of “Together We Deliver”.
Fast forward to 25 years and some may ask “who is TWD and what do we do”? Sure, we are a mid-sized engineering, procurement, and construction management firm in business for around 25 years now, but more importantly we would want you to know that we simply love the challenge of working together to deliver! What makes things even more magical at TWD occurs when we combine this underlying characteristic with our desire to responsibly and respectfully support a growing world, it becomes our passion and our WHY.
Discover the Brilliance at TWD


Vice President, US Operations


Vice President, US Operations
Mark is TWD’s Vice President for founding and managing all aspects of US Operations, with over 35 years of experience with management, project development, project management and engineering design in a wide variety of industries and on projects up to $2 billion in value.
He provides strategic consulting support to our clients and to our US Team, with a particular focus on project development, project execution strategies, and risk management. Mark also assumes relationship sponsoring and management roles with several of our strategic client relationships.
Mark is proudly involved in all aspects of managing TWD US Operations. This includes strategic growth, business development, operations (project management, engineering, procurement, construction management, quality, and HSSE), and finance.
Mark graduated from Point Park University, Mechanical Engineering, in 1996 and an MBA (focus in Management and International Business) in 1999. He started in the EPC/EPCm Industry in 1989 working from the bottom up ultimately creating himself a coop program to provide real world experience. This allowed for many different industry experiences from very large to small across a variety of disciplines and business segments.
He makes the point of being personally involved with many of TWD’s clients having grown up through the industry and enjoys meeting everyone and supporting successful completions.
Mark has 2 daughters now in college and you may have seen him either watching or coaching them around the country! He also attempts golf on occasion so you may have also seen him in the water or woods!
“Together We Deliver” means that our team prides itself on teamwork. That includes our internal teams, our intimate relationships with clients, and working with our valued suppliers and subcontractors. I am proud of our accomplishments and commitment to client satisfaction and servicing. If you have not experienced the advantages TWD has to offer, you should give us a try. You will not be disappointed.”


Operations Growth Manager, Eastern Region


Operations Growth Manager, Eastern Region
Marian is the Operations Growth Manager for the Eastern Organization, with over 20 years of project management and engineering experience across diverse industries, managing multi-million-dollar capital projects.
Marian has built a solid and trusting relationship with TWDs top tier clients establishing herself as a leading figure in client stewardship initiatives. She has overseen the successful completion of multiple large-scale engineering, procurement and construction projects spanning across Ontario, Quebec and Alberta. She is dedicated to resolving client concerns ranging from project scope definition to fast-tracked project schedules and ensuring disciplined budget control. Her collaborative approach involves working closely with internal teams to navigate challenges effectively, and consistently meet client expectations.
In her latest role, Marian continues to build and maintain client relationships, while contributing significantly to the development and execution of TWDs regional growth plans as an integral member of the Eastern Leadership Team.
Marian is a graduate of Western University, having earned her degree in Chemical & Biochemical Engineering. She is a Professional Engineer of Ontario and has maintained her Project Management Professional (PMP) designation for nearly 20 years. And if you’re looking for a savvy “lefty” doubles partner to clinch victory in your next tennis tournament, look no further.
“Unless you have 100% customer satisfaction you must improve”


Vice President, Project Execution


Vice President, Project Execution
Fred is our VP, Projects Execution, in our major project group with over 30 years of experience with project development, project management, engineering design and construction as well as facility operations and maintenance in a wide variety of industries and on projects up to $17 billion in value. Fred is adept at seeing projects from a client’s perspective and delivers value with a “best for project” mindset.
Fred provides professional support to our clients and to our team, with a particular focus on project development, project execution strategies, and risk management. As part of our senior leadership team, Fred is proudly involved in all aspects of managing TWD. This includes strategic growth, business development, operations (project management, engineering, procurement, construction management, quality, and HSSE) and management consulting.
Fred graduated from Memorial University of Newfoundland in 1989 with a degree in Mechanical Engineering. Fred is a Professional Engineer with Licenses in Ontario and Newfoundland. Fred spent the first 23 years of his career on the Owners side, before moving to the EPCM side. His background gives him a balanced view when developing projects. Just like the “Rock” he comes from, your project will be built on a solid foundation when working with Fred and his team!
"TWD’s culture is built on honesty, integrity, and positive relationships. We have the depth and breath of knowledge and experience to deliver quick, accurate results. We take project delivery, including construction, as serious business. Safety is inherent in everything we do, combined with our professional execution and construction management process and procedures drives cost effective field results!"


Business Development Manager, US Operations


Business Development Manager, US Operations
Rich is TWD’s Business Development Manager for US Operations with more than 42 years of experience in developing relationships, partnerships and servicing accounts. His expertise is in building new network connections, promoting TWD and expanding our client base. He is a results oriented individual with a proven track record of improving the market position of TWD and maximizing opportunities for financial growth. Adept in building strong relationships with clients.
Rich is a Graduate of Washington and Jefferson College with the ability to stay focused as proven by his completion of “6” Marathons.
“Together We Deliver means that our team provides itself on teamwork”. I have found this true in all aspects on my life. It works in Marriage as proven by 49 years of marriage. My wife said “I am a Keeper” so making 50 looks great. TWD is all about commitment and so am I.


Director of Engineering, Eastern Canada


Director of Engineering, Eastern Canada
Joel is TWD’s Director of Engineering for Eastern Canada and has over 18 years of experience in Project Engineering/Management and Mechanical Engineering. He’s been with TWD for over 10 years and established TWD’s Atlantic office in 2015, helping grow TWD’s Canadian business east of Ontario.
Joel is highly experienced in executing multi-discipline engineering projects and working closely with clients to find fit for purpose solutions.
He remains involved in the management of Atlantic Canada based clients and the continued growth of the region.
Joel graduated from the University of Moncton and holds Professional Engineering licenses in New Brunswick, PEI, Nova Scotia, Newfoundland, Quebec and Ontario.
Outside of work, Joel enjoys camping, fishing and trail riding with his family and friends on dirt bikes, snowmobile or side by side.


Principal Owner


Principal Owner
Founding Principal at TWD, a Canadian EPCM Company specializing in Energy (Transformational and Traditional) and Infrastructure since 1999 with 8 offices across Canada (Burnaby, Calgary, Edmonton, Ft. McMurray, Sarnia, Burlington, and Saint John) and 2 international offices in Pittsburgh, PA and Larissa , Greece.
Milt is involved in all aspects of business management including strategic growth, business development, quality, HSSE, operations/execution (early conceptual development and project feasibility, design development, detailed engineering, procurement, construction management, commissioning), Human Resources, and finance/accounting.
"Some people ask, “So who is TWD and what do you do?”. Sure, we are a mid-sized Canadian EPCM firm in business for around 20 years now, but more importantly we would want you to know that we simply love the challenge of working together to deliver! What makes things even more magical at TWD occurs when we combine this underlying characteristic with our desire to responsibly and respectfully support a growing world, it becomes our passion and our WHY."


Vice President, Business Services


Vice President, Business Services
George has been with TWD over 13 years. He has over 30 years of experience with operations management, PMO and finance. He has developed and led project management office standards and teams in various industries and consulting capacities. He provides strategic and operational leadership for the TWD businesses to enable teams to produce at higher efficiency. George is also providing oversight and direction to TWD’s Quality Management System and to the Human Resource Department. George has published 3 books; 2 novels, and a non-fiction book called “Becoming A Leader: With Effort not Entitlement”
“Together We Deliver means that our team prides itself on teamwork. That includes our internal teams, our intimate relationships with clients, and also working with our valued suppliers and subcontractors. I am proud of our accomplishments and commitment to client satisfaction and servicing. If you have not experienced the advantages TWD has to offer, you should give us a try. You will not be disappointed.”


General Manager, Edmonton


General Manager, Edmonton
Mona is professional engineer and strategic innovative leader , with 25 years of experience with project development and execution in a wide variety of industries and on projects up to $1 billion in value.She provides value driven engineering and project management consulting support to our clients and to our team with a focus on building collaboration with teams and fostering healthy relationship with our clients to generate positive business results. Mona graduated from the University of Alberta, Chemical Engineering, in 2000. Mona is a Professional Engineer with licenses in Alberta and Saskatchewan. I’m passionate about maximizing team performance through effective coaching and mentoring and developing future leaders.
“Safety is not a job, it is a way of living”. This resonates deeply with me as an engineer who provides safe effective engineering solutions to our clients and community daily and I encourage you to reach out to us so “Together We Deliver” innovative and environmental friendly design to our communities.


Principal Owner


Principal Owner
Scott is one of TWD’s founding partners, with over 30 years of experience with project development, project management and engineering design in a wide variety of industries and on projects up to $1.5 billion in value.
He provides strategic consulting support to our clients and to our team, with a particular focus on project development, project execution strategies, and risk management. Scott also assumes relationship sponsoring and management roles with a number of our strategic client relationships.
Scott is proudly involved in all aspects of managing TWD. This includes strategic growth, business development, operations (project management, engineering, procurement, construction management, quality, and HSSE), and finance.
Along with our other founder, Scott graduated from the University of Waterloo, Mechanical Engineering, in 1991. Scott is a Professional Engineer with licenses in Ontario, Alberta, British Columbia, and Delaware, US. And if you need a defenseman for your old-timers’ hockey team, then Scott is most certainly your man.
“Together We Deliver means that our team prides itself on teamwork. That includes our internal teams, our intimate relationships with clients, and also working with our valued suppliers and subcontractors. I am proud of our accomplishments and commitment to client satisfaction and servicing. If you have not experienced the advantages TWD has to offer, you should give us a try. You will not be disappointed.”


General Manager, Sarnia and Atlantic


General Manager, Sarnia and Atlantic
Chad is the Regional Manager for TWD’s Sarnia and Atlantic offices with over 20 years of experience in oil and gas operations, project development, project management. After 15 years with owner operator companies in Alberta Chad relocated to Sarnia where with TWD Chad focuses on brownfield projects within the refinery and chemical complexes in Sarnia and Saint John.
He provides leadership for our team, with a particular focus on responsible and nimble project execution for our clients. Chad ensures his team is available and willing to provide the solutions for our clients needs on their schedule. Chad has built a multidisciplinary team of engineers and designers who share his vision for client satisfaction.
Chad graduated from Queen’s University’s Engineering Chemistry program in 2002. Chad is a Professional Engineer with licenses in Ontario and Alberta. Outside of work you can find Chad undoing one of his swimming, biking or running work outs with friends over a mug of Sarnia’s many excellent breweries.
“Each day I strive to live the Together We Deliver mindset of TWD by building relationships with my clients and their stakeholders, my local team and the other TWDers across the country. My goal is to be the employer of choice for engineering professionals in Sarnia and the provider of choice for my clients.”
Celebrate innovation and unlock new possibilities with TWD.
We PERFORM™ at a Higher Level
PERFORM™ embodies our core philosophy at TWD. It's a project execution process, uniquely developed by us, aimed at ensuring the successful completion of projects, delivering optimal results to our clients. This comprehensive program aligns our core values, purpose, and brand promise with business procedures and execution guidelines. It's not only about improving efficiency but also nurturing TWD's workplace culture.
PERFORM™ actively involves our people, clients, and suppliers, driven by our belief in "Together We Deliver." We've invested in an in-house quality and safety management system known as PERFORM™
The PERFORM™ process includes the following key areas:
Develop
Focused on the evaluation and validation of project viability.
Execute
Delivery of projects from concept to reality in a safe, efficient, and timely manner.
Optimize
Delivering upgrades, de-bottlenecking, maintenance, and operating improvement projects to assist our clients with sustaining and improving business performance of existing assets and operations.