Peter Hartwell
Principal at PETER L HARTWELL, LLC, d/b/a By the Books | Gaithersburg, Maryland, United States
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Peter Hartwell is a seasoned financial professional and the Principal at PETER L HARTWELL, LLC, d/b/a By the Books, where he leverages his extensive finance and accounting experience to provide tailored financial management consulting services. Based in Gaithersburg, MD, Peter specializes in offering interim and part-time business management solutions, hands-on controller services, and comprehensive accounting support for small to mid-sized client companies and non-profits. His collaborative approach enables him to work closely with boards, senior management, and staff, focusing on enhancing operational efficiency and ensuring timely, accurate financial reporting.
Peter's expertise spans various sectors, including energy and renewable energy, where he has successfully managed projects related to power generation and energy-from-waste initiatives. His proficiency in strategic planning and program management has allowed him to implement effective business process improvements that drive organizational change and foster sustainable growth. Additionally, Peter is well-versed in compliance with the Sarbanes-Oxley Act, ensuring that his clients adhere to regulatory standards while optimizing their financial practices.
Key projects under Peter's leadership have involved restructuring financial processes to enhance reporting accuracy and efficiency, as well as advising on financial staffing to align with organizational goals. His ability to build collaborative teams and engage with internal and external stakeholders has been instrumental in navigating complex business challenges. With a focus on delivering actionable insights and fostering a culture of continuous improvement, Peter Hartwell remains a trusted advisor to his clients, helping them achieve financial stability and strategic success in an ever-evolving marketplace.
Principal at PETER L HARTWELL, LLC, d/b/a By the Books in April 2020 to Present
Nonprofit Controller at Your Part-Time Controller, LLC in February 2017 to March 2020
Principal Consultant at By The Books in October 2015 to February 2017
Sabbatical at Sabbatical in January 2014 to September 2015
Controller/Procurement Manager; Business Manager at Covanta Energy in October 2006 to December 2013
Management Consultant at Resources Global Professionals in January 2005 to January 2006
Managing Director of Operations; Managing Director, Asset Management; Controller at PG&E National Energy Group (US Generating Company) in January 1990 to January 2005
Project Developer - Finance, (Wheelabrator Environmental) ; Controller, (Wheelabrator Energy) at Wheelabrator Technologies, Inc. in January 1987 to January 1990
Controller/CFO (ATC Petroleum); Senior Financial Analyst (Sprague Energy) at Axel Johnson, Inc. in January 1978 to January 1987
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Controllership Functions
Nonprofit Financial Management
Management
Energy
Finance
Renewable Energy
Project Finance
Business and Financial Planning
Financial Analysis
Contract Management
Excel Modeling
Power Generation
Process Improvement
Contract Negotiation
LongView & Hyperion
Energy-from-Waste
Business Analysis
Project Management
Financial Modeling
Mergers
Natural Gas
Strategic Planning
Program Management
Sarbanes-Oxley Act
Power Plants
Due Diligence
Business Process Improvement
Change Management
Mergers & Acquisitions
Microsoft Excel
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What is Peter Hartwell email address?
Email Peter Hartwell at [email protected]. This email is the most updated Peter Hartwell email found in 2026.
How to contact Peter Hartwell?
To contact Peter Hartwell send an email to [email protected].
What company does Peter Hartwell work for?
Peter Hartwell works for PETER L HARTWELL, LLC, d/b/a By the Books
What is Peter Hartwell's role at PETER L HARTWELL, LLC, d/b/a By the Books?
Peter Hartwell is Principal
What is Peter Hartwell's Phone Number?
Peter Hartwell's phone (301) ***-*701
What industry does Peter Hartwell work in?
Peter Hartwell works in the Accounting industry.
Peter Hartwell Email Addresses
Peter Hartwell Phone Numbers
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