About Us

Office Staff

John H. Martin, C.E.T., G.S.C., President and General Manager

Email: office@martin-stewart.com

John Martin is the owner of Martin-Stewart Contracting Ltd. and is responsible for the office management operations of the firm. He is experienced in the construction industry as a carpenter, site superintendent and project manager. John is a hands-on owner and is available to owners and architects to assist with any project or concerns. Employee of Martin-Stewart Contracting since 1977. Became President and General Manager in 1995 following the retirement of his father, Ron Martin, one of the original owners. Gold Seal Certified in Project Management. Construction Engineering Technician.

Construction Industry Affiliations:

  • Liaison Committee Member, OGCA
  • Past President Hamilton-Halton General Contractors= Association – 2004 - 2006
  • Past President Hamilton-Halton General Contractors’ Association - 1992 – 1994
  • Past President Hamilton-Halton Construction Association - 2001

R. Michael Gracey, Project Manager

Email: mikeg@martin-stewart.com

Responsible for field operations in liaison with General Manager/Owner/Consultant, and oversees maintenance and refit projects.

Co-ordinates the work from the office to the jobsite and with the design profession in co-operation with the contracts manager. Employee of Martin-Stewart Contracting since 1988.

Heather Martin, Estimator

Email: heatherm@martin-stewart.com

Heather has been with Martin-Stewart Contracting since 1998. She is our Chief Estimator and is responsible for pricing most new projects that are out for tender. She takes a personal approach with our sub-contractors and is always most accommodating. Heather is also the wife of our President and General Manager, John H. Martin.

Jason Morrison, Project Co-ordinator

Responsible for the processing of shop drawings, permit applications, delivery schedules and change orders.Mohawk graduate in architectural technology and employed by Martin-Stewart the summer of 2008.

Judy Klassen, Bookkeeper

Email: judyk@martin-stewart.com

Lynda MacDonald, Administrative Assistant

Email: office@martin-stewart.com


On-site Superintendents


David Dewar, Project Superintendent

Construction experience in excess of 35 years. Employee of Martin-Stewart since 1993. Examples of projects on which Dave was on-site superintendent.

  • The Church of Jesus Christ of Latter-day Saints New Meeting Hall, Hamilton
  • Motherhouse & Infirmary, Renovations/Addition, Dundas
  • McMaster University, Mary Keyes Residence & Dining Facility, Hamilton
  • McMaster University, Renovations to Building T-16, Hamilton
  • Inasmuch House Addition, Hamilton
  • Wilson Medical Centre, Addition, Hamilton

Frank Erzar, Project Superintendent

Employee of Martin-Stewart Contracting since 1989 as an apprentice carpenter. Examples of projects on which Frank was on-site superintendent.

  • St. Mark’s United Church, Barrier Free Renovations, Dundas
  • Catholic Children’s Aid Society Renovations, Hamilton
  • Queensdale & Rousseau Schools, Barrier Free and Renovations, Hamilton
  • Mohawk College IT Centre Addition, Hamilton
  • Paletta Lakefront Park Foundation Work, Burlington

Harald Heine, C.E.T., Project Superintendent

Has work in the construction field as a superintendent for over 30 years covering the industrial, commercial and institutional sectors. Employee of Martin-Stewart Contracting since August 2001 and has been on-site superintendent on the following projects:

  • Hamilton Health Sciences, MUMC Site, Renovations to Digestive Diseases, $1,200,000.00
  • Juravinski Cancer Centre Bunker Renovations, Hamilton, 1,000,000.00
  • Women’s Addiction Centre Renovations, Hamilton, 1,100,000.00
  • Agnes MacPhail Co-op. Homes Renovation, St. Catharines, 780,000.00

Jay Shipperbottom, Site Superintendent

Construction experience in excess of 23 years and employee of Martin-Stewart Contracting since summer of 2000. Examples of projects on which Jay was on-site superintendent.

  • Hamilton Health Sciences, ICT Department (IT Centre), Hamilton
  • Sisters of the Good Shepherd Convent Renovations, Toronto
  • Mohawk College, Construction of IT Centre, Hamilton
  • Canadian Martyr’s School Renovations/Addition, Hamilton
  • McMaster University, E-Commerce Addition, DeGroote Building, Hamilton

Jay Westra, Foreman

Commenced employment at Martin-Stewart Contracting as a 4th year carpenter apprentice in 1999 and received his journeyman ticket in 2000. Assists site superintendents when needed and oversees, and uses tools, on various maintenance and upgrade projects such as offices, mall units, banks, etc.