Project Manager/Superintendent
Current
Sep 2021 - Present
AeroLeads people directory · profile
Derek Lietman Email & Phone Number
Project Manager/Mining Engineer
at
David H. Martin Excavating, Inc.
1 work email found
@hemptbros.com
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Project Manager/Mining Engineer
Location
Enola, Pennsylvania, United States
Company size
Who is Derek Lietman? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Derek Lietman is listed as Project Manager/Mining Engineer at David H. Martin Excavating, Inc., a company with 13 employees, based in Enola, Pennsylvania, United States. AeroLeads shows a work email signal at hemptbros.com and a matched LinkedIn profile for Derek Lietman.
Derek Lietman previously worked as Project Manager/Superintendent at David H. Martin Excavating, Inc. and Quarry Operations Manager at Hempt Brothers Inc. Derek Lietman holds Bachelors Degree, Mining Engineering from Missouri University Of Science And Technology.
Company email context
Email format at David H. Martin Excavating, Inc.
This section adds company-level context without repeating Derek Lietman's masked contact details.
{first_initial}{last}@hemptbros.com
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AeroLeads found 1 current-domain work email signal for Derek Lietman. Compare company email patterns before reaching out.
Profile bio
About Derek Lietman
Experienced Quarry Operations Manager responsible for three mine sites with annual tonnage in excess of 1 Million. Education includes a Bachelor of Science (B.S.) in Mining Engineering.
Listed skills include Engineering, Mining Engineering, Aggregates, Mining, and 18 others.
Current workplace
Derek Lietman's current company
Company context helps verify the profile and gives searchers a useful next step.
David H. Martin Excavating, Inc.
Employees
13
AeroLeads page
5 roles
Derek Lietman work experience
A career timeline built from the work history available for this profile.
Quarry Operations Manager
Managed three mine sites with production of over 1 million tons annually across the sites. Provided guidance and assistance to quarry superintendents on daily production, costs, maintenance, mine planning, environmental, and safety. Established work plans and project schedules including personnel management. Drove efforts to improve efficiency in.
Jan 2020 - May 2021
Mining Engineer / Quarry Manager Associate
Hempt Bros. Inc.
Provided support to the Quarry Operations Manager including production, maintenance, quality control, mine planning, and environmental requirements. Assisted in the design and install of a $3 million crushing circuit. Retrofitted and installed several pieces of equipment including jaw crushers, cone crushers, screens, washing equipment, dust suppression.
Jun 2014 - Jan 2020
Mine Engineer Intern
Worked in the engineering department on several projects including time studies on new top-cut designs. Mapped utilities underground and updated the online database for the mine layout. Completed cost analysis of rock reinforcement drill rig.
Jun 2013 - Aug 2013
Mine Foreman Assistant
Hempt Bros
Operated/repaired equipment and processing facilities for production. Rebuilt and installed new pump for tailings disposal.
May 2012 - Aug 2012
1 education record
Derek Lietman education
-
Missouri University Of Science And Technology
FAQ
Frequently asked questions about Derek Lietman
Quick answers generated from the profile data available on this page.
What company does Derek Lietman work for?
Derek Lietman works for David H. Martin Excavating, Inc..
What is Derek Lietman's role at David H. Martin Excavating, Inc.?
Derek Lietman is listed as Project Manager/Mining Engineer at David H. Martin Excavating, Inc..
What is Derek Lietman's email address?
AeroLeads has found 1 work email signal at @hemptbros.com for Derek Lietman at David H. Martin Excavating, Inc..
Where is Derek Lietman based?
Derek Lietman is based in Enola, Pennsylvania, United States while working with David H. Martin Excavating, Inc..
What companies has Derek Lietman worked for?
Derek Lietman has worked for David H. Martin Excavating, Inc., Hempt Brothers Inc, Hempt Bros. Inc., Barrick Gold Corporation, and Hempt Bros.
How can I contact Derek Lietman?
You can use AeroLeads to view verified contact signals for Derek Lietman at David H. Martin Excavating, Inc., including work email, phone, and LinkedIn data when available.
What schools did Derek Lietman attend?
Derek Lietman holds Bachelors Degree, Mining Engineering from Missouri University Of Science And Technology.
What skills is Derek Lietman known for?
Derek Lietman is listed with skills including Engineering, Mining Engineering, Aggregates, Mining, Supervisory Skills, Microsoft Excel, Plant Maintenance, and Workplace Safety.
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