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Past President
Mariano Amicarelli, P.E.


Mariano graduated from Florida International University in 2010 with a Bachelor of Science in Civil Engineering.  After spending several years in the private sector gaining experience in design, construction, and quality control, Mariano joined the FDOT’s Roadway Design Office in 2015, where he was heavily involved in the development of the new FDOT Design Manual.  In his current role, as the Project Management Resources Engineer in the Project Management Section of the Production Support Office, Mariano is leading the efforts in the delivery of 3D Projects, Project Management Online Guide, and Web-based Scope of Services Tool.

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Ryan Buck, P.E.

Ryan is a Project Management Engineer for the Florida Department of Transportation, where he works in the Production Services Division at the Central Office in Tallahassee. His duties include; management of the State Design Scope of Service and Staff Hours, Project Management Training and Project Management Resources. He is also involved in implementing new technologies and innovations into the Department. Previously, Ryan gained career experience managing commercial building construction projects as a Project Manager.  Ryan is a native of Tallahassee, where he attended Florida State University and received a Bachelor’s of Science degree in Civil Engineering in 2009. He went on to earn a Masters degree in Construction Management form the University of Florida in 2012. His wife, Linzee, is a Leon County Schools Pre-K teacher and they have three daughters; Hailey-Jo, Rylin and Dawson. Ryan enjoys outdoor activities with his family and friends, including; golf, boating, fishing, mountain biking, camping, hiking, etc. He also enjoys weekends down at Alligator Point with his family.

Younger Member Chair
Melissa Pennington, P.E.
Halff Associates

Melissa is a project manager with Halff Associates (formally Genesis) and has been with the company for 6 years. She graduated from the FAMU-FSU College of Engineering with a B.S. in Civil Engineering in 2016. During her student years, Melissa was heavily involved in the Student Chapter as a member and Conference Team Captain, continuing her membership and participation after graduation. Melissa has experience in land and site development, drainage, permitting, and roadway/trail design throughout the Southeast. Melissa is originally from Orlando, and enjoys returning to visit Disney and her family. When not visiting Orlando, Melissa has a passion for all travel, domestic and abroad.

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Social Media Chair
Jamie L. Green, E.I
Jacobs Engineering Group
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Kristine Obenour

America's Home Place

Kristine is the Construction Coordinator for America's Home Place in their Tallahassee office. Graduating with her master’s degree from the FAMU-FSU College of Engineering (COE) in December 2018, her short work experience with Barkley and Pennoni has been in structural building systems for residential and commercial projects. Kristine also received her B.S. from the FAMU-FSU COE, where she held several ASCE Student Chapter leadership positions throughout her college career, including President and Graduate Advisor. In 2017, Kristine was awarded with not only the ASCE Student of the Year Award, but also the Florida Engineering Society’s Outstanding Student Service Award for her outstanding service and leadership to the Engineering Profession. Originally from South Florida, Kristine has lived in Tallahassee for 10 years, but is still always on the go! She enjoys staying busy with traveling, home DIY projects, and any time on the boat or by the water with her husband, Jason, and two dogs, Kevin & Rachael.

Stacy is a Senior Project Manager and Transportation Team Leader with George & Associates Consulting Engineers, Inc. in Tallahassee, FL.  She has 15 years of design experience on transportation projects with a strong background in structures.  She has worked on a variety of projects including 3R, widening and new construction.Stacy graduated from the FAMU-FSU College of Engineering with a B.S. in Civil Engineering (2003) and a M.S. in Civil Engineering (2006).  During this time, she was an active member of the FAMU-FSU College of Engineering ASCE student chapter.  She obtained her Professional Engineer license in Florida in 2009.In her personal time, Stacy enjoys fishing, boating, hiking and camping with her family.  For 18 years, she has been married to Donnie Johnson, who is an Engineer/Driver for the Tallahassee Fire Department.  They have two children, Ty (15) and Delaney (10).


Levon Hoomes, P.E.

Levon is a structural engineer in Kimley-Horn’s Tallahassee office with 9 years of experience. His primary expertise is the design of concrete bridge structures, but he has also designed steel bridge components and miscellaneous structures including retaining walls and drainage structures. Levon obtained his P.E. licensure in 2017 and holds licenses in Florida and New York. Levon is a native of Tallahassee and earned his B.S. in Civil Engineering in 2011 from Florida State University, where he was an active member of the FAMU-FSU ASCE Student Chapter. He went on to earn his M.S. in Civil Engineering with a structures focus from the University of Virginia in 2013, then returned to his hometown of Tallahassee to pursue a career designing bridge structures and became involved in the ASCE Tallahassee Branch. In his free time, Levon enjoys backpacking, kayaking, and spending time outdoors with his family and friends. He and his wife Sara have been married since 2012 and have two children, Hazel and Kesler.

Jamie is a roadway design EI in the Tallahassee area working for Jacobs Engineering Group. She graduated from the FAMU-FSU College of Engineering in 2019, where she served as the Secretary for the ASCE-FES-ACI Student Chapter. "As a 'Zillennial', I've learned to recognize the importance of social media and how it can be a useful tool for providing information and engaging those within our organization and beyond. My goal for the Tallahassee ASCE Chapter is to boost engagement on social media while exciting current and prospective members to get involved with our mission!" -Jamie


In her free time, Jamie can be found anywhere outside with her dog, Sauer, or relaxing by the pool with fellow engineering student and soon-to-be husband, Danny.

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ASCE Florida Section District 4 President
Dave Crombie, P.E., M.ASCE

David L. Crombie is a Project Engineer with HNTB Corporation in Tallahassee, Florida where he works on a variety of transportation design and planning projects including Project Development and Environment (PD&E) studies, Environmental Resource Permitting (ERP) for transportation design, and National Environmental Policy Act (NEPA) assignment tasks for the Florida Department of Transportation (FDOT).  Through this role, Crombie works with transportation engineering teams to develop innovative, cost-effective solutions and designs that help support Florida’s growing travel demand while avoiding and minimizing impacts to the surrounding natural, physical, and social environment.


Crombie’s professional affiliations include the American Society of Civil Engineers (ASCE), Florida Engineering Society (FES), Florida Engineering Foundation (FEF), Institute of Transportation Engineers (ITE), and the American Public Works Association (APWA).  Crombie currently serves as the Student Activities Chair on the ASCE Florida Section Board of Directors,  is a member of the FEF Board of Trustees, and is the FAMU-FSU ASCE Student Chapter Practitioner Advisor.  Crombie’s accolades include the ASCE Tallahassee Branch Young Engineer of the Year Award and graduate of the Florida Engineering Leadership Institute (FELI).


During down time, Crombie enjoys golf, camping, canoeing, and hiking with his wife Megan and their two boys, Ethan (5 yrs.) and Hayes (3 yrs.).




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