John Harrison
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John Harrison Email & Phone Number

Location: Dallas, Texas, United States 10 work roles 2 schools
1 work email found @keymarkinc.com 2 phones found area 214 and 650 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 2 phones

Work email j****@keymarkinc.com
Direct phone (214) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
CFO
Location
Dallas, Texas, United States

Who is John Harrison? Overview

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Quick answer

John Harrison is listed as CFO at Vertex Energy Inc., based in Dallas, Texas, United States. AeroLeads shows a work email signal at keymarkinc.com, phone signal with area code 214, 650, and a matched LinkedIn profile for John Harrison.

John Harrison previously worked as VP, Finance, Strategy & Treasurer (NYSE: DINO) at Hf Sinclair Corporation and SVP, Chief Financial Officer & Treasurer at Holly Energy Partners, L.P. ("Hep"). John Harrison holds Master Of Business Administration (Mba), Corporate Finance from Smu Cox School Of Business.

Company email context

Email format at Vertex Energy Inc.

This section adds company-level context without repeating John Harrison's masked contact details.

{first}.{last}@keymarkinc.com
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AeroLeads found 1 current-domain work email signal for John Harrison. Compare company email patterns before reaching out.

Profile bio

About John Harrison

John Harrison is a CFO at Vertex Energy Inc.. He possess expertise in mergers and acquisitions, financial modeling, corporate finance, corporate development, financial analysis and 10 more skills.

Listed skills include Mergers And Acquisitions, Financial Modeling, Corporate Finance, Corporate Development, and 11 others.

Current workplace

John Harrison's current company

Company context helps verify the profile and gives searchers a useful next step.

Vertex Energy Inc.
Vertex Energy Inc.
CFO
Dallas, TX, US
AeroLeads page
10 roles

John Harrison work experience

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

Vp, Finance, Strategy & Treasurer (Nyse: Dino)

Current
Hf Sinclair Corporation

Lead Corporate Finance and Treasury functions for HF Sinclair Corporation (NYSE: DINO), a Fortune 500 oil and gas company. Responsible for setting the strategy and execution of all capital markets activities, develop risk management strategies for both FX and commodities, formulate investor relations strategy, lead capital allocation strategy. Regular.

Mar 2022 - Present

Svp, Chief Financial Officer & Treasurer

Dallas, Texas, US

Responsible for all financial activities of the organization including accounting, business development, investor relations, and treasury. Develop financial strategies including distribution policy, leverage targets, and capital spending. Significant experience in capital allocation, leading deal teams, and serving on joint venture boards.

Jan 2020 - Dec 2023

Vp, Finance, Strategy & Treasurer

Hollyfrontier Corporation
Jan 2020 - Mar 2022

Vp, Finance, Investor Relations, & Treasurer

Hollyfrontier Corporation

In addition to all responsibilities as Treasurer, I picked up additional responsibility for the Investor Relations function. This encompassed serving as the management representative at investor conferences and setting the strategy and message for both public companies.

Oct 2018 - Jan 2020

Vice President & Treasurer

Hollyfrontier Corporation

Responsible for all Treasury activities of two public companies, including cash operations, credit management, equity and debt capital markets, bank and rating agency relationship management, as well as derivatives (commodities, interest rate swaps, FX).

Jan 2017 - Jan 2020

Corporate Development Manager

Hollyfrontier Corporation

Evaluated acquisition opportunities in the midstream and downstream energy space and provide valuation analysis for long-term commercial contracts and organic capital projects. Had responsibility for the entire life cycle of a potential acquisition including deal sourcing, valuation, bid strategy, financing plan, synergy identification, negotiation, and.

Apr 2013 - Dec 2016

Assistant Treasurer

Hollyfrontier Corporation

Managed Cash Operations for liquidity management, including short and long-term investments, credit facility drawdowns and repayments, and cash forecasting. Also responsible for managing the Credit Department by managing credit limits and past due balances. Implemented a credit management tool to enable real-time credit checks for customers.

Mar 2012 - Apr 2013

Credit Manager

Hollyfrontier Corporation

Responsible for building the Credit function from scratch, including team building, drafting policies & procedures, setting risk tolerance thresholds, and building financial models. Evaluating customer financial statements and setting appropriate credit limits.

Feb 2007 - Mar 2012

Assistant Treasurer, Planning And Financial Mgmt

New York, NY, US

Managed Billing Services Team which was responsible for resolving client inquiries and collecting past due balances. Also produced MIS reports for management based on P&L, AR, revenue recognition, key risk indicators, and delinquent write-offs. Participated in projects using Six Sigma methodologies.

Jan 2001 - Oct 2005
2 education records

John Harrison education

Master Of Business Administration (Mba), Corporate Finance

Smu Cox School Of Business

Bachelor Of Business Administration (Bba), Finance

University Of Central Oklahoma
FAQ

Frequently asked questions about John Harrison

Quick answers generated from the profile data available on this page.

What company does John Harrison work for?

John Harrison works for Vertex Energy Inc..

What is John Harrison's role at Vertex Energy Inc.?

John Harrison is listed as CFO at Vertex Energy Inc..

What is John Harrison's email address?

AeroLeads has found 1 work email signal at @keymarkinc.com for John Harrison at Vertex Energy Inc..

What is John Harrison's phone number?

AeroLeads has found 2 phone signal(s) with area code 214, 650 for John Harrison at Vertex Energy Inc..

Where is John Harrison based?

John Harrison is based in Dallas, Texas, United States while working with Vertex Energy Inc..

What companies has John Harrison worked for?

John Harrison has worked for Vertex Energy Inc., Hf Sinclair Corporation, Holly Energy Partners, L.P. ("Hep"), Hollyfrontier Corporation, and Jpmorgan Chase & Co..

How can I contact John Harrison?

You can use AeroLeads to view verified contact signals for John Harrison at Vertex Energy Inc., including work email, phone, and LinkedIn data when available.

What schools did John Harrison attend?

John Harrison holds Master Of Business Administration (Mba), Corporate Finance from Smu Cox School Of Business.

What skills is John Harrison known for?

John Harrison is listed with skills including Mergers And Acquisitions, Financial Modeling, Corporate Finance, Corporate Development, Financial Analysis, Business Valuation, Investments, and Treasury.

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