Over the past 39 years, Mr. Martin has served in project and program management roles in both the private and federal sectors of the construction industry, to include international and domestic projects ranging from $500K to $1.3B. During his 26-year tenure at companies such as Bechtel and Fluor, Mr. Martin has worked in the United States, Philippines, Singapore, Malaysia, Thailand, Taiwan, China, Indonesia, Belgium, Australia and India. His experience includes successfully managing and delivering projects to companies such as Procter & Gamble, DuPont, AT&T, Philips Semiconductor, Taiwan Semiconductor Manufacturing Company, LSI Logic Corp, GlaxoSmithKline, Pfizer, Schering Plough, Carolina Power and Light, Dayton Power and Light, Mississippi Power and Light, and Union Electric. Specific knowledge includes building processes, liaison to regulatory bodies, large-scale personnel management, securing financing, and business development. In the government sector, Mr. Martin has been integral in winning awards at the Pentagon, and with multiple federal agencies such as USACE, NAVFAC, DOS, ASAID, DHS, VA, and GSA. Federal projects range in size from $1M – $250M and vary between short term firm fixed price, as well as long term IDIQ’s and MACC contracts.

Mr. Martin also has experience with all aspects of the life sciences; from pharmaceutical formulations and processes to complex bioprocesses and R&D operations. Further, Mr. Martin has held extensive, in- depth leadership and management roles executing Guaranteed Maximum Price (GMP) and cost reimbursable contracts. He routinely serves as the subject matter expert for government pursuits.

As General Manager of ARS Aleut Construction, Mr. Martin maintains operational and financial responsibility for all aspects of the company. Additionally, Mr. Martin formulates strategic methods for achieving the objectives of the business plan, as well as management of all large-scale government and commercial clients.

Mr. Knepper joined ARS Aleut Construction, LLC with over three decades of public and private sector experience in the fields of construction and operations management. He has managed a wide range of diverse and large-scale commercial and industrial projects, and is skilled in all elements of contract management. He is the previous founder and President/COO of Dominion Construction, Inc. a contracting firm with annual revenues in excess of $50M, where he successfully managed a wide range of projects, to include health care, renovation of historic buildings, abatement, and commercial construction. In roles that range from Senior Project Manager to Vice President of Pre-Construction, Mr. Knepper has become an expert in nearly every phase of the construction cycle. His experience includes operating in both union and non-union environments.

At AAC, Mr. Knepper’s responsibilities include driving growth in federal 8(a) awards and Fortune 500 projects. His oversight includes regulatory compliance, estimating, bidding, negotiating, and the utilization of project control processes, through and including execution and delivery. Mr. Knepper is well versed in joint ventures and teaming arrangements, as well as subcontractor management.


  • ASHE Certification
  • Class A General Contractor
  • VOSHA State Safety Certification

Tammy Onorato has over 17 years’ experience working in the Environmental Services sector. During this time, she has demonstrated leadership in multiple positions; from her first job as a hydrologic technician to her recent role as AAC’s Director of Operations. Ms. Onorato currently serves as the Vice-President of AAC’s Environmental Division.

In this role, Ms. Onorato is responsible for the regional program management and leadership of AAC’s environmental team.  She is responsible for overseeing the budget to ensure maximum profitability. Managing personnel and company resources effectively enables her to improve AAC’s efficiency and increase each project’s value to both the customer and AAC. Ms. Onorato is responsible for contributing to the development and refinement of AAC’s vision and overall environmental strategy. Of particular benefit is her extensive experience providing environmental assessment and remediation services. She has successfully managed professional teams of geologists, engineers, field technicians and scientists during complex, multi-phased projects, and achieved cost-effective project goals leading to site closures.

Ms. Onorato is a graduate of Eckerd College where she earned a Bachelor of Science in Marine Science. She is a licensed Geologist in Florida and Georgia, and holds multiple certifications in a broad range of  Environmental Services.

As Vice President of Eastern Operations for ARS Aleut Construction, Todd Niefeld oversees all project teams East of the Mississippi River.

Through 30 years of progressive contributions and experience with government, hospitals, medical, educational, and commercial projects, Niefeld has developed his individual and company growth. Niefeld’s background includes working with Government agencies such as Smithsonian, NAVFAC, NIH, and more as well as designing and building educational facilities throughout the D.C., Virginia and Maryland areas. These projects range from $1M to over $100M. Working as a senior program manager and consultant, he renovated, restored or replaced schools throughout the city of Baltimore on a $1.3B multiyear program titled 21st Century Schools.

Chris Tande serves as the Western Operation Manager for ARS Aleut Construction after recently retiring as a Lieutenant Colonel, having served 21 years of active duty service in the Army.

Tande holds a Bachelor of Science degree in Business Management, International Business, Montana State University, a Masters of Science Degree in Program management from University of Maryland, and three masters level certificates in construction management from Auburn University. He is Defense Acquisition Workforce Improvement Act (DAWIA) certified level III in both Program Management and Contracting, as well as Federal Acquisition Certification Level III in Contracting.

As a soldier, Tande served in Infantry and Military Intelligence Units before becoming an Acquisition Officer specializing in program management and contracting. Tande has numerous awards and decorations which include the Bronze Star Medal, Defense Meritorious Service Medal; Meritorious Service Medal, Joint Service Commendation Medal; Army Commendation Medal, Joint Achievement Medal, and the Army Achievement Medal as well as Joint Meritorious Unit Citation with two oak leaf clusters; Parachutist Badge, and Combat Action Badge.