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Dr. Jürgen Günter

Dr. Jürgen Günter popularly known as "Dr. JG" has been a formidable force since the ZGC Enterprise started from grassroots. He specializes in both private and organizational turn-key contracts with a remarkable track record in the installations of pipes and valves for on and offshore drilling and piling. Günter is German-born but has been in the United States since 2013 after becoming a certified contractor under the "Zenith Group Venture".

Sir. Jan O. Higgins

Sir. Jan Olof Higgins is Irish and Norwegian with  an extensive track-record in drilling, piling and maintenance of turbines for both on and offshore facilities. Sir Olof currently boasts over a decade of working experience with "ZGC", with clientele ranging from Shell PLC to Schlumberger worldwide. He specializes in both turn-key and company contracts with an 87% profit maximization guarantee. "If it is Olof, your contract is in safe hands". 

Greta Nordstrøm

Mr & Mrs A. Schultz

Greta Nordstrom first joined our ranks as a bright-eyed apprentice, however, her efficiency and attention to detail makes her an asset to every project she is assigned to. Despite being a woman in a male dominated industry, the success rate in contracts where Greta is involved remains at an outstanding 76%. 

The esteemed Mr and Mrs. Arnold Schultz are our certified CFO's respectively in all of the company financial matters. After working experiences with ExxonMobil, British Gas, Schlumberger, Firestone and a host of others in the field, the duo have claimed their place within the "ZGC" venture.


Ramon C. Rios

Ramon has been a remarkable addition to the "ZGC" enterprise and has worked his way to the top proving himself as one of the most outstanding drilling and piling contractors the company has ever seen since the company's foundation. Due to his leadership qualities, Ramon has been able to oversee major contracts ranging from companies such as Texaco, ExxonMobil etc, to impressive heights.

Sir Spencer Richmond

Sir Spencer Richmond is one of our oldest contractors and has been working with ZGC right from when the venture started as "Crewe Ventures" in England. Spencer is a Composite/Neo-Alternative Energy  juggernaut and specializes in turnkey contracts and Neo-Solar system building and maintenance.  His expertise in risk monitoring and evaluation as well as risk management, have proved him to be a valuable asset to the company.

Patricia Clark

In the combination of machinery, construction, oil and gas engineering; Ms Clark is one with an amazing track record. She specializes in making sure your work station is 100% fully operational. Patricia also does turnkey contracts and risk management making her one of the few new generation personnel in the forefront of development in the field and a very valuable asset to the ZGC enterprise.

E. C Robert 

Robert specializes in overseeing contracts from Asia and Australia. His expertise speaks for itself. His work ideology bothers around progress and innovation while ensuring an improved and safe working environment. 

Henrik M.Arvo

Sir Henrik specializes in turnkey contracts in Solar panels majorly on oil and gas and steel related companies. However, he has had quite the record onshore as well. He is one of the first foreign contractors with ZGC Project ACRES in 2014. He first joined our ranks as an intern, however, his ideologies, work ethic, efficiency and innovative skills have made him climb the ranks quickly and now heads his own team in recent contracts he has been assigned to. He has an excellent work record in production of composite and reinforcement materials for SEP constructions and repairs.


Sir Martin Walsh

Sir Martin Walsh is one of our foremost contractors with impressive experience and record in general management, rig and site station overhauling, turnkey contracting and general management. Fully involved in installation, maintenance and management of turbine, shafts, pipes and valves both old and new improved equipments. His records are impeccable in risk management and very result driven.

Sandra Lawrence

T. M. Griezmann

Mrs Lawrence started as an intern with the enterprise and worked her way up the ranks to where is now a force to reckon with and has very remarkable portfolio in oil and gas as well as solar paneling and every related operations. She is also an advisor on  Green energy policies and carbon reduction recommending renewable and sustainable materials and energy solutions.

Full of knowledge and never afraid to pass it on whenever needed; meet Thomas M. Griezmann one of our oldest contractors in both oil and gas and solar management respectively. Having gathered a very impressive number of experience before settling and staying with ZGC, Griezmann has handled and oversaw all the kinds of contracts there are. He packs quite the assurance with zero risks involved. 

Tony Tucker

Tony Tucker is also one of the brightest minds amongst our  contractors. Having not spent up to 10 years with ZGC but has already created a niche for himself. Tony is a Renewable Energy engineer and specializes in turnkey contracts that takes care of  Wind, Thermal, Solar-Hydroelectric power plants and renewable energy systems which could include building, Installations and maintenance.  

Micheal Monaco

Micheal Monaco is one of our most prolific new generation multi purpose contractor. He specializes in orthodox technology and mechanical solar paneling. With high profile on risk management and turnkey contracting, Mr Monaco is a formidable personnel. 


Sir Richard Bertel

Sir Bertel is one of ZGC's outstanding contractors who have mastered the multi level art of solar technology. With an impressive track record covering four continents, Sir Bertel contribution to the solar energy field and its development is glaring. He thrives in contracts involving mounting, installation and maintenance of solar panels worldwide.

Daniel Klaas

Daniel Klaas is an asset to the ZGC outfit. He is highly experienced in turnkey contracts involving supply and maintenance of solar panels and turbine equipment. He works both locally and internationally and is well recognised in the grand scheme of things within the solar community. 

James Lorenzo

Michael H

Larry Roberto

James Lorenzo who is one of ZGC most recent contractors already have kicked off with an impressive track record already. Having completed turnkey contracts in offshore site development and build, he is here to stay.His expertise in team leading, risk monitoring and evaluation as well as risk management, have proved him to be an exceptional asset to the company.

Sir Michael Alto is one of our most formidable contractor who has quite the track record considering building sites from the scratch. He has work experiences with all top 5 solar field companies worldwide. He specializes in turnkey contracts and site development with almost 0.008% risks involved.

Larry is flamboyant in nature and has long years expertise of carrying out energy surveys, feasibility studies, greenhouse gas (GHG) inventories and carbon foot-printing. He also involves in analyzing technical data and working out how much energy is or can be produced giving energy efficiency advice to clients in the public and private sector.