Mark Vrabel, PE
Structural Engineer
Mark has over five years of experience across a wide range of project types, including new construction, adaptive reuse, façade inspections, and fall protection systems. His portfolio includes podium-style mixed-use buildings, self-storage facilities, restaurant and retail structures, and residential renovations. Mark also brings valuable experience from conducting façade inspections in Philadelphia and New York and delivering fall protection solutions for major academic institutions.
Known for his thoughtful and collaborative approach, Mark is driven by curiosity and a commitment to continuous learning. He applies his technical expertise and creative problem-solving to deliver thoughtful, buildable designs and clear, comprehensive structural drawings. Mark is also actively involved in the structural engineering community, serving as the Chair-Elect of the Delaware Valley Association of Structural Engineers (DVASE) Young Members Group. Outside of work, Mark enjoys playing sports, including basketball, golf, volleyball, and running - which keeps his competitive spirit alive both on and off the court.
Email and download VCard
Francesca Wallace, PCM
Marketing & Business Development Manager
Francesca helps to lead the firm’s strategic marketing and client engagement initiatives to support the firm’s continued success. With over a decade of marketing experience spanning B2B, B2C, and B2G organizations, Francesca has a deep understanding of how to develop effective marketing and business strategies that drive success.
Before joining Keast & Hood, Francesca played a key role at a national multi-disciplinary firm, overseeing all facets of marketing and contributed to winning proposals, fostering successful client partnerships for notable projects in sectors across the country. In 2023, Francesca founded Blume Strategies, a marketing and business strategy consultancy focused on helping AEC companies apply her Intentional Marketing Method to strengthen their positioning and maximize growth.
Francesca earned her Professional Certified Marketer (PCM) certification in Marketing Management from the American Marketing Association, recognizing her expertise in the field. Passionate about mentoring and uplifting women in the industry, she actively works to create opportunities for professional growth and leadership development. As an active volunteer, she contributes to various industry organizations and proudly serves on the board for Professional Women in Construction, Philadelphia Chapter.
In her free time, you can find Francesca somewhere between thrifting, pottery classes, trying new recipes, or spending time with her husband and three kids.
Email and download VCard
Sabrina Arboleda
BIM Modeler
Sabrina brings hands-on experience in MEP modeling with a concentration in fire protection systems, particularly within healthcare environments. Currently in her fifth year of Drexel University’s six-year Architecture program, Sabrina blends technical precision with a strong design foundation. She is proficient in AutoCAD, Revit, and the Adobe Creative Cloud suite, contributing thoughtful and detailed models to support the firm’s architectural and structural collaborations. Outside of her technical work, Sabrina enjoys writing and journaling, using storytelling as a creative outlet that complements her approach to design and visualization.
Email and download VCard
Becky H. Sell
Associate | Director of Building Envelope
Becky is an experienced building envelope specialist and preservation consultant with over two decades of hands-on experience in façade restoration, waterproofing design, and historic materials. As a SPRAT-certified rope access technician and seasoned team partner, Becky brings an unmatched ability to evaluate and resolve complex envelope challenges from both technical and practical perspectives.
She has led high-profile projects across the country, including the Carew Tower and Netherland Plaza Hotel in Cincinnati, Hotel DuPont in Wilmington, and The Girard Building in Philadelphia. Becky has been a trusted partner to architects throughout her career-known for her collaborative style, thoughtful recommendations, and clear communication that moves projects forward.
Prior to joining Keast & Hood, Becky founded and co-founded a successful façade restoration firm, shaping its operations and reputation from the ground up. As Associate and Director of Building Envelope, she is spearheading the firm’s expanded service offerings, including façade ordinance inspections, waterproofing consulting, and exterior envelope assessments. Becky’s reputation for quality and client trust continues to strengthen the firm’s leadership in sustainable and long-lasting building performance.
When she’s not scaling buildings, Becky enjoys doing home renovation projects, restoring her mid-century home, chasing chickens in her backyard, and thrifting for 1950s and 60s kitsch.
Email and download VCard
Keast & Hood Expands Services and Welcomes Becky H. Sell as Director of Building Envelope
Email and download VCard
Brian Fertig
Structural Designer
Brian Fertig is a Structural Designer with a strong background in civil engineering, having earned his bachelor’s degree from Temple University. Brian is adept at designing and detailing structural elements in steel, masonry, wood, and concrete. His technical skills include proficiency in Revit, AutoCAD, and a keen interest in BIM360 software.
Brian is experienced with various structural analysis tools, particularly RAM, and holds certifications in RAM structural systems and elements from Bentley software. His portfolio includes designing and documenting multi-use buildings and significant involvement in construction administration throughout project lifecycles. Additionally, he has worked on diverse projects including design, renovation of existing structures, and management of dunnage.
Email and download VCard
Sena Savaskan, PE
Structural Engineer
Sena Savaskan is a Structural Engineer who began working at Keast & Hood in January 2024. She holds a bachelor’s degree in Architectural Engineering with a Construction Management minor from Drexel University. Sena has 5 years of experience in the industry.
Some of Sena’s current projects include Penn Presbyterian Medical Center Wright Saunders building renovations, Philadelphia City Hall Tower restoration, and Share Food Program Renovation.
As a newly licensed Professional Engineer, Sena is eager to take on new challenges, tackle complex projects, and collaboratively and consistently drive our success forward.
Email and download VCard
Kutztown University Wells-Rapp Center for Mallet Percussion Research
Email and download VCard
University of Pennsylvania Graduate School of Education Expansion
Email and download VCard
Structure Magazine Article, Statue of Liberty National Monument
Email and download VCard
Denise Richards Newly Inducted Member of The Carpenters’ Company
Email and download VCard
Matt Schilling, EIT
Matt Schilling joined Keast & Hood after recently graduating from Drexel University. He has expertise in analysis models for a variety of projects, including pipe racks, new constructions, and renovations or adaptive reuse of existing buildings. Matt enjoys watching how a building progresses from initial analysis through documentation to construction.
Email and download VCard
Visitor Experience Improvement Project | Independence Visitor Center
Email and download VCard
Tyler Dennis, PE
Structural Engineer
Tyler Dennis is a Structural Engineer who has worked for Keast and Hood since April 2023. He has a Bachelors and Masters degree in Civil Engineering from University of Delaware. He is experienced in structural calculations of various building structures. Including concrete substructures and reinforcement, design loads, and QA/QC calculations.
His current projects include the renovation of the First Bank of the United States, Muhlenberg College Seegers Union Building Expansion, and Princeton University Prospect House renovations
Email and download VCard
Raphael De Lassus, PE
Project Manager
Raphael has over 7 years of professional engineering experience. He has extensive experience in structural analysis and design of new construction, existing structures, and historic buildings encompassing steel, wood, masonry, concrete, and aluminum.
Recognized for his strong technical abilities and strong communication skills which guides him while working alongside his team and clients.
He has developed an interactive interface to create more accurate and cost-effective designs, designed 100+ temporary structures, and performed structural design and analysis.
Email and download VCard
Anthony J. Casale III, MS, PE
Project Manager
Anthony joined Keast & Hood in March 2023. He has 10 years of experience in structural engineering and an interest in building design, retrofit, and repair. He consistently seeks to expand his knowledge of new and old building materials and structural systems.
Anthony is experienced in analysis and design of various building structures, structural drawings, and structural building assessments. He has worked on residential and commercial development projects in the Tri-state area and beyond. He has experience designing concrete flat-plate mid-rise buildings, steel/concrete podium mixed-use structures, and renovating and retrofitting existing structures.
In addition, he is published in the International Journal of Concrete Structures and Materials.
Email and download VCard
David J. Russell
Controller
David Russell is the Financial Controller at Keast & Hood, a role he has held since August 2022. With a degree in Business Administration and Accounting from Drexel University, David brings over 30 years of experience in the commercial construction industry to his position. His expertise encompasses accounting, payroll, and benefits administration. Known for his meticulous and results-driven approach, David has a proven track record of effectively managing people and projects, implementing financial controls, and optimizing business processes to control expenses and drive positive outcomes.
Email and download VCard
Amanda Grogin, EIT
Structural Designer
Amanda joined Keast & Hood in 2022 after graduating from Drexel University. She is a structural designer with special knowledge in framing steel, concrete, masonry, and wood structures.
Her experience includes new construction, renovation, and preservation. She is proficient in analysis software including, but not limited to: RAM Structural System, Elements, and Concept.
An enthusiastic collaborator, Amanda is a member of several KH internal committees including: Professional Societies, Social, DEI, and Sustainability. Outside of the office, she is a member of DVASE, WiSE, PWC, and ASCE ymf. In addition, she is committed to outreach and helps students consider structural engineering as a career path.
Email and download VCard
Keast & Hood Certified by the Women’s Business Enterprise National Council
Email and download VCard
Marie T. Terico
Administrative Assistant
Marie Terico has been a valued Administrative Assistant at Keast & Hood since December 2015. With over 30 years of administrative experience, she excels in providing exceptional customer service and managing a range of responsibilities. Her role includes handling billing, overseeing the front office, and being the company’s primary point of contact. A graduate of St. Monica Business School, Marie has a robust background in managing accounts receivable and leading projects like office relocations. Her adaptability, strong work ethic, and project management skills make her a significant asset to the team.
Email and download VCard
Nick Paparo, EIT
Structural Designer
Nick is a highly motivated and creative engineer with experience in structural analysis, design of new concrete, steel, and wood structures, and project delivery.
Recognized for astute attention to detail and an eagerness to grow technically as well as professionally, Nick has quickly become an integral part of the firm, supporting a variety of projects including preparing analytical models and design calculations for proposed and existing structures.
In addition to supporting the firm technically, he has become involved in DVASE’s Young Member Group (YMG). Nick is a well-rounded engineer who brings the same amount of dedication and energy to every project.
Email and download VCard
Jason DeMuro, PE
Structural Engineer
Jason M. DeMuro, PE has been an integral part of Keast & Hood since 2019, when he joined as a Structural Designer. His journey within the firm culminated in his promotion to Structural Engineer in 2024. His expertise lies in structural condition assessments, engineering designs for repair and restoration, and the adaptive reuse of existing buildings, alongside new construction projects.
Jason’s proficiency extends to intricate modeling analyses for both new and existing structures. He finds fulfillment in witnessing the evolution of a building from analysis to documentation to construction phases.
Within Keast & Hood, Jason serves as a crucial link between BIM modelers and engineers, ensuring a smooth workflow and adherence to the firm’s rigorous documentation standards. Moreover, his involvement in the Quality Assurance and Engineering Software Committees underscores his commitment to maintaining high design and drawing standards. He also actively evaluates and leverages the firm’s array of computational analysis and design programs.
Email and download VCard
Mark Odorizzi, PE
Structural Engineer
Mark is a highly motivated and creative engineer with experience in structural analysis, design of new concrete, steel, masonry, and wood structures, and project delivery.
Recognized for his astute attention to detail and an eagerness to grow, Mark has taken the design lead on a variety of projects for proposed and existing structures, collaborating directly with architects and contractors on our teams. In addition to his project work, Mark is engaged with our junior engineers through mentorship, lunch & Learns, and coordinating educational opportunities for our entire team.
In addition to supporting the firm technically, he has become involved in the firm’s participation in the ACE Eastern PA mentorship program and maintains ties with Drexel University as an Adjunct Professor. He stays connected with other engineers in the community through his active involvement as a board member of the DVASE Young Members Group. Mark is a well-rounded engineer that brings the same amount of dedication and energy to every project.
Email and download VCard
Ari Seraphin, PE
Project Manager
Ari Seraphin joined Keast & Hood in 2007 following graduation from Drexel University. In addition to his engineering education, he has more than ten years of experience as a general carpenter, including residential and commercial construction work.
Ari has contributed to Keast & Hood projects for historic restoration and new construction, including non-destructive testing and thermography analyses.
Ari’s practical hands-on construction knowledge coupled with his structural engineering training serve him well in developing pragmatic structural solutions and in coordinating and communicating effectively with members of the design team and with tradespeople.
Email and download VCard
Bob Boris, PE
Senior Engineer
Bob Boris has been a member of Keast & Hood’s Philadelphia office since interning at the firm during the summer in college. Following his graduation from Temple University Bob has progressed professionally from EIT to licensed PE. In 2022 he was promoted to Project Manager as recognition of his commitment to the firm and skilled engineering.
Bob’s experience includes work on award-winning historic preservation projects such as Independence Hall Tower and the Mitchell/Giurgola designed Walnut 32 Garage. He has also contributed enthusiastically to new building construction including the LeBow College of Business at Drexel University, and various higher education renovation projects at the University of Pennsylvania and Haverford College.
Bob is an excellent all-around structural engineer with strong skills in computer modeling and structural analysis. His organizational abilities make him an asset on any project team.
Email and download VCard
Alex Stadel, PE
Associate
Alex Stadel, PE is a registered structural engineer and has been with Keast & Hood since his graduation from Drexel University in 2011 (summa cum laude). Alex maintains a strong connection to his alma mater as an adjunct assistant professor and has developed and taught 27 courses at the University. His professional engineering experience has included a wide range of project types, from new midrise office buildings in Philadelphia to historic preservation of 18th century structures. He played a major role in the structural design of the $120 million Museum of the American Revolution (2017) and was the leading structural designer for the exhibit support structure for George Washington’s Tent, a priceless national artifact and key attraction of the museum. Alex was promoted to Associate in 2024 in recognition of his extensive experience and exceptional management skills.
Email and download VCard
Matt Cornman, PE
Associate
Matt joined Keast & Hood in July 2012. Over the course of his career, Matt has performed structural condition assessments and developed structural engineering designs for repair, restoration, adaptive reuse, and new construction projects.
Matt’s diverse structural engineering experience has ranged from historic houses to billion-dollar hotel and casino complexes. He doesn’t shy away from a challenge and possesses strong communication skills to help all members of the design and construction team understand the intricacies of structural design.
Recognized for his dedication and structural engineering expertise, Matt was promoted to Associate in 2022.
Email and download VCard
University of Pennsylvania Museum of Archaeology & Anthropology
Email and download VCard
Structure Magazine Feature Article, An Unlikely Pair: Steel Trusses and Flat-Plate
Email and download VCard
Catch KH at Design Philadelphia and The Forum on Architecture + Design
Email and download VCard