Marshall Lang
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Marshall Lang Email & Phone Number

Senior Partner | Executive Consultant | Leadership Development at Vantage Associates-West, Inc.
Location: Houston, Texas, United States 11 work roles 1 school
1 work email found @aglresources.com 2 phones found area 832 and 702 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 2 phones

Work email m****@aglresources.com
Direct phone (832) ***-****
LinkedIn Profile matched
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Role
Senior Partner | Executive Consultant | Leadership Development
Location
Houston, Texas, United States

Who is Marshall Lang? Overview

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Quick answer

Marshall Lang is listed as Senior Partner | Executive Consultant | Leadership Development at Vantage Associates-West, Inc., based in Houston, Texas, United States. AeroLeads shows a work email signal at aglresources.com, phone signal with area code 832, 702, and a matched LinkedIn profile for Marshall Lang.

Marshall Lang previously worked as Senior Partner at Vantage Associates-West, Inc. and Volunteer Leadership | National Global Mission Board | Houston Chapter Board of Directors at Breakthrough T1D. Marshall Lang holds Bachelor Of Arts, Business/Managerial Economics from Marietta College.

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Email format at Vantage Associates-West, Inc.

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{first_initial}{last}@aglresources.com
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Profile bio

About Marshall Lang

Marshall partners with companies and individuals to obtain desired results and establish a line of sight to an inspiring future. He works with for-profit companies and non-profits in advisory roles and board positions, as well as by coaching high impact leaders on their senior executive team. He is a respected leader with 35+ years of experience building and leading successful teams. He has learned that leadership is a commitment to develop, grow and improve how you motivate, influence and inspire. A real leader is the catalyst of this strategy, maximizing the best possible outcomes. Marshall found success in his leadership commitment with the guidance of an executive coach–consultant. As a Senior Partner at Vantage Associates-West, Inc., he now provides that same level of guidance and coaching to executives and managers of companies focused on securing results through effective leadership. Marshall has an extensive track record of overseeing, directing and influencing business development, general management, client relationships and marketing campaigns, talent development, strategic planning and change management efforts. His results include increased profitability, improved efficiencies, cost-savings and overall operational excellence. Prior to joining Vantage Associates, Marshall served as President of Sequent Energy Management, one of the largest natural gas marketing companies in North America. In that role he evaluated and implemented strategies and was responsible for the oversight of all company operations, organizational management and company P&L. He successfully drove profitability during his tenure, achieving two of the company’s most profitable years over their 20-year history—including the most profitable year in the company’s history. He joined Sequent in 2002 and progressed through upper management, holding positions of Senior Vice President, Marketing and Vice President, Business Development. Marshall is passionate about supporting the JDRF non-profit organization, the world’s leading charitable organization in the funding of type 1 diabetes (T1D) research. He remains an impassioned volunteer focused on advancing the organization’s mission to prevent, treat and cure T1D. He has served on the Houston Chapter Board of Directors since 2009 and joined the National Global Mission Board in 2021. He was recognized early in his career as a leader and has held roles as Manager, Executive, Leader and President over the course of 40+ years in the energy industry.

Current workplace

Marshall Lang's current company

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Vantage Associates-West, Inc.
Vantage Associates-West, Inc.
Senior Partner | Executive Consultant | Leadership Development
AeroLeads page
11 roles · 46 years

Marshall Lang work experience

A career timeline built from the work history available for this profile.

Senior Partner

Current

Greater Houston

Vantage Associates-West, Inc. consults exclusively with successful executives, professionals and entrepreneurs who seek to continually improve themselves and their organizations in the areas of planning, execution and leadership. Vantage creates quantifiable impact value through consulting in:• Strategy• Senior Leadership Development – Coaching from Strategy• Executive Project Leadership

2022 - Present ~4 yrs 6 mos

Volunteer Leadership | National Global Mission Board | Houston Chapter Board Of Directors

Current

Leader of various initiatives in the world’s leading charitable organization in the funding of type 1 diabetes (T1D) research. Impassioned volunteer focused on advancing the organization’s mission to prevent, treat and cure T1D.

2021 - Present ~5 yrs 6 mos

President

Houston, Texas, United States

Executive of one of the largest natural gas marketing companies in North America. Responsible for the oversight of all company operations, evaluating and implementing strategies, organizational management and company P&L. Successfully drove profitability during tenure, achieving two of the company’s most profitable years over the 20-year history, including the most profitable year in the company’s history.

2016 - 2021 ~5 yrs

Senior Vice President Marketing

Houston, Texas, United States

Senior executive over all non-trading commercial marketing activity which included Origination, Generation Services and Producer Services

2006 - 2015 ~9 yrs

Vice President Of Business Development

Norfolk, Virginia, United States

Facilitated Asset Management activities for affiliate utility, Virginia Natural Gas, including Executive support, regulatory interface and commercial advice. Led all Term and Asset Management Origination activities in the mid-Atlantic region.

2002 - 2005 ~3 yrs

Vice President, Marketing And Volume Management

Fairfax, Virginia, United States

Led marketing, customer service and operations, including gas control/measurement and facilities planning for one of the nation’s largest interstate gas pipelines. Organization included over 130 professionals.

1999 - 2001 ~2 yrs

Vice President And General Manager

Columbia Energy Services Corporation

Pittsburgh, Pennsylvania, United States

Over six-year period, led sales team in growing annual sales quantities from start-up to 500,000 DTH per day to customers in 10 states. Led team of 100+ professionals and 30+ support personnel focused on sales/services to 2,000 industrial/commercial natural gas and electric clients. Functioned as Change Agent leading organization through merger activity and employee reductions, resulting in cost savings and in streamlined processes while meeting/exceeding revenue targets.

1993 - 1998 ~5 yrs

Vice President Marketing

Columbia Energy Services Corporation

Pittsburgh, Pennsylvania, United States

Member of Senior Management Team overseeing exponential growth from 150,000 DTH to over 1 BCF per day, increasing revenues to nearly $1B annually.

1993 - 1998 ~5 yrs

Senior Marketing Representative

Coastal Gas Marketing

Newport News, Virginia, United States

1990 - 1992 ~2 yrs
1 education record

Marshall Lang education

FAQ

Frequently asked questions about Marshall Lang

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What company does Marshall Lang work for?

Marshall Lang works for Vantage Associates-West, Inc..

What is Marshall Lang's role at Vantage Associates-West, Inc.?

Marshall Lang is listed as Senior Partner | Executive Consultant | Leadership Development at Vantage Associates-West, Inc..

What is Marshall Lang's email address?

AeroLeads has found 1 work email signal at @aglresources.com for Marshall Lang at Vantage Associates-West, Inc..

What is Marshall Lang's phone number?

AeroLeads has found 2 phone signal(s) with area code 832, 702 for Marshall Lang at Vantage Associates-West, Inc..

Where is Marshall Lang based?

Marshall Lang is based in Houston, Texas, United States while working with Vantage Associates-West, Inc..

What companies has Marshall Lang worked for?

Marshall Lang has worked for Vantage Associates-West, Inc., Breakthrough T1D, Sequent Energy Management, Columbia Pipeline Group - Now Part Of Tc Energy, and Columbia Energy Services Corporation.

How can I contact Marshall Lang?

You can use AeroLeads to view verified contact signals for Marshall Lang at Vantage Associates-West, Inc., including work email, phone, and LinkedIn data when available.

What schools did Marshall Lang attend?

Marshall Lang holds Bachelor Of Arts, Business/Managerial Economics from Marietta College.

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