Philip J. Parker

Phil Parker is a seasoned entrepreneur and energy industry expert with a diverse background spanning the energy and government contracting fields. A Service-Disabled U.S. Navy veteran, he leads the Penn Oak Services team.

He entered the energy sector as an entrepreneur, founding a diesel-to-LNG conversion company which developed innovative solutions for the mining and maritime industries. Through a strategic partnership with Lloyd’s Register, he helped advance maritime LNG bunkering initiatives.

Phil then leveraged his Service-Disabled status to establish a government contracting firm, spending almost a decade trading renewable energy, natural gas, and refined products for institutional and government clients. Most recently, he founded and successfully exited an oil and gas production company.

Beyond his professional accomplishments, Phil is a proud father who enjoys sailing and skiing in his free time.

Greg Roeberg

Greg Roeberg is a co-founder of Penn Oak Services and an accomplished attorney with 20 years of legal experience. A graduate of Georgetown University and Georgetown University Law Center, he also studied at the London School of Economics.

After law school, Greg launched his own practice specializing in general business law while simultaneously pursuing several entrepreneurial ventures. Today, his business efforts are focused on energy, real estate, and technology projects.

Greg is also actively involved in politics, government contracting, and election law, having served as an election attorney on multiple campaigns at the Arizona Gubernatorial and the US Presidential level. Greg resides in Scottsdale Arizona and is a proud husband and father of two whose hobbies include photography.

Jonathan Winton

Jonathan Winton is a skilled attorney with a strong track record in both civil and criminal law, now focusing on business organization and energy-related matters. Known for his strategic approach and aggressive advocacy, he delivers effective legal solutions tailored to his clients' needs.

After honing his skills at a top Philadelphia law firm, Jonathan has successfully represented clients in Pennsylvania courts and federal litigation. At Penn Oak, Jonathan specializes in federal regulations as they relate to government contracting as well as oil and gas related contract law.

Damian Korchynsky

Damian Korchynsky is a seasoned professional with a strong background in information systems, energy trading, and procurement management. He graduated from Penn State University in 2006 with a degree in Information Systems.

Damian began his career in software compliance at Ionos, a German cloud services and web hosting company, where he gained experience in regulatory compliance and software management. An avid outdoor enthusiast, he enjoys snowboarding and hiking.

Currently, Damian serves as the Head of Gas Trading at Penn Oak Services, where he plays a pivotal role in RFP sourcing, drafting, and management. His expertise in the energy market, combined with his analytical and strategic approach, makes him an integral part of the company’s success.