Hamid Afghan, P.E., S.E.
Principal - Structural Engineer

Hamid Afghan is the founding and managing Principal of AAI Engineering. Hamid is licensed to practice in several states including Oregon, Washington and Hawaii amongst others. He has 40 years of structural experience and holds a Master of Science in Civil/Structural Engineering and Bachelor of Science in Structural Engineering and Applied Science from Portland State University.

Hamid possesses a unique quality that resonates with many AAI clients. His ability to calmly address any project issue or constraint has proved invaluable. He routinely takes a difficult situation or problem, breaks it down into digestible pieces and produces a creative and economic solution without deviating from his calm demeanor. Hamid often develops a close working relationships with his clients which allows him to streamline and personalize a project.

Derek Larsen, P.E., S.E.
Associate - Structural Engineer

Derek Larsen has been an integral and solid member of the AAI Structural Department since 2003. Another native Oregonian, Derek grew up in Sweet Home, before calling Portland home. He attended Oregon State University and graduated Cum Laude with a Bachelor of Science in Civil Engineering.

Derek is amazingly proficient at organizing drawings and calculations into concise and easily understood packages. Clients working with Derek are often surprised to find that they gain a comprehensive understanding of the work, process and intricacies of their project and jurisdictional review staff are thankful to see Derek’s stamp on a drawing.

Chemelle Stark, P.E., S.E.
Associate - Structural Engineer

Chemelle was born in California, but found her home in Oregon. She attended Pacific Northwest College of Art and holds a Bachelor of Fine Arts. She also graduated from Portland State University with a Bachelor of Science and a Masters of Science. Chemelle has 14 years of experience in the field of structural engineering and is licensed in the states of Oregon, Missouri, Maine, Pennsylvania, Massachusetts and Montana.

Chemelle is one of those people who can take a project from concept to permits without a hitch. Her structural understanding is comprehensive. Her ability to work independently is surpassed only by the organizational skills she uses to do so. Her clients find her very accessible and responsive. She also possesses the valuable skill of identifying and understanding clients’ individual/project specific needs.

Ugo Costa, P.E., S.E.
Associate - Structural Engineer

Ugo comes to the Pacific Northwest via Buffalo, New York. He attended the State University of New York, Buffalo, earning a Bachelor of Science in Civil Engineering and the University of California, Berkley, earning a masters degree in Structural Engineering. Ugo is licensed Structural Engineer in the states of Oregon and California, with 21 years of experience in the field.

Ugo has been with AAI since 2010. During that time he has established a reputation for reliable, on schedule, project delivery and consistent quick response to client questions and needs.

Norm Scheg
Associate - Project Manager

Norm is an east coaster, originally from Rochester, NY. He attended Monroe Community College and graduated with an Associate of Science degree with a Landscape Architecture emphasis. Norm has been with AAI since 2004 and has 19 years of experience in the field of civil engineering.

Norm understands and is willing to do what it takes to get a project done, on time. His focus on the end result eliminates missteps and revisions and his ability to work through or avoid road blocks is unsurpassed. Norm ‘s projects are always managed with the utmost foresight and efficiency.

Teresa Long, P.L.A.
Associate - Project Manager – Landscape Architect

Teresa attended Virginia Tech University, attaining a Bachelor of Architecture degree. After practicing Architecture in northern Virginia for 14 years, Teresa’s interest in Landscape Architecture led her to pursue a Certificate in Horticulture from the USDA Graduate School in Washington DC. Upon arriving in the Pacific Northwest, she obtained her license to practice Landscape Architecture, and completed course work at PSU in Project Management, Environmental Permitting, and Wetland / Watershed Development.

Teresa is a licensed Landscape Architect in Oregon and Washington, bringing over 20 years of Architecture and Landscape Architecture experience to her position. AAI enjoys and fully utilizes the diversity that her background and experience allows.

Beth Zauner, P.L.A.
Project Manager – Land Use Planner

Beth attended Auburn University, earning a Bachelor of Science in Ornamental Horticulture and Louisiana State University, earning a Masters of Landscape Architecture. Beth been in Portland since the mid 1990s and has been working with AAI since 2005. She is a licensed Landscape Architect in Oregon and Louisiana.

Beth has a diverse background with experience in Site and Master Planning, Landscape and Urban Design, and Land Use Feasibility and Application preparation.This unique skill set allows her to understand and present complicated pieces of a project in a comprehensive manner.

Christopher Thornton, P.E.
Project Manager - Civil Engineer

Chris is originally from Panama, and moved to New Jersey where he earned a Civil Engineering Degree from New Jersey Institute of Technology. After spending almost 3 years cultivating his land development career, Chris and his wife moved to Florida where he gained valuable engineering experience with stormwater modeling, utility design, and site development. Chris is licensed as a professional engineer in the states of Oregon, Washington and Florida. 

In his spare time, he enjoys playing and watching soccer, playing table tennis, volunteering in the community, and hitting the trails with his wife and dogs. 

Jenna Sparrowgrove, E.I.T.
Project Manager - Civil

Jenna is originally from Alaska but escaped to Portland in early 2017 after attending the University of Alaska Anchorage, where she earned her Bachelor of Science in Civil Engineering.  Her easy-going attitude paired with her natural attention to detail allows her to easily adapt to the everchanging nature of any project. In her free time, Jenna can likely be spotted amongst the crowd at a local concert, hiking and camping off the grid across the Pacific Northwest, or jet setting all over the world exploring unfamiliar places and cultures.

Mary Kate Flugum
Structural Designer

Mary Kate is originally from Bodega Bay, California and moved north to attend Oregon State University and live closer to family. She graduated cum laude from OSU in 2021 with a Bachelor of Science in Civil Engineering and a minor in Writing.

When not working, she can be found rollerblading, doing arts and crafts, or watching scary movies.

Avi Singh, P.E.
Project Manager - Structural

Avi is originally from Fiji. He spent 10 years in Portland, attending Portland State University, obtaining a Bachelors of Science in Civil Engineering and a Masters in Structural Engineering. Due to family affairs, Avi works remotely. He is however, an irreplaceable member of the AAI family and we simply refuse to let him go. Avi intends to return to the office full-time in the near future. 

AAI clients love working with Avi. His work ethic, sense of responsibly and humor allow him to provide a refreshing project management style, as well as deliver an exemplary project.

Mary Ryan, E.I.T.
Structural Designer

Mary comes to us via Chicago, and has been in the Pacific Northwest since 2005. Mary attended the University of Portland and holds a degree in Bachelor of Science in Civil Engineering with a focus on Structural/Geotechnical. Her experience and interests are wide ranged, including Geotechnical, Structural and Construction Engineering. One of Mary’s favorite parts of her job is working and problem solving with Contractors. Her understanding of the final product and the best way to get there routinely catches contractors by surprise and then results in her number being entered on their speed dial.

Matt Yosefani, P.E.
Structural Engineer

Born and raised in Baghdad, Iraq, Matt is a valuable member of the structural department. After earning a Bachelors of Science and a Masters of Science from the University of Technology – Baghdad, Matt moved in 2012 to the United States. After landing in Portland, Matt also earned a Masters of Engineering and a PhD in Civil and Environmental Engineering from Portland State University, specializing in research regarding design provisions for reinforced concrete beams made with high-strength concrete and high-strength reinforcement.

Outside of work, Matt has a passion for travel. His favorite sport is soccer. He is a real fanatic, watches soccer games and plays soccer both on the pitch outside and online with friends. Matt is a piano hobbyist and enjoys playing Arabic songs on his keyboard.

Kat Aden
Civil Designer II

Kat is a native Portlander who graduated from Portland State University with a Bachelor’s of Science in Civil Engineering with a focus in environmental engineering. Her passion is communication, internally with her team, and externally with clients, to create designs that incorporate client needs and pedestrian considerations.

In her spare time she enjoys riding her thoroughbred named Firefly, rescued dogs, books, and drinking tea.  Kat is always looking for way to participate in volunteer work in her community.

Alden Woodrum, EIT
Civil Designer

Alden is a Native Oregonian from the Portland area. He earned a Bachelor’s of Science in Civil Engineering from Portland State University in 2023. He is currently in the office by day and pursuing a Master’s in Water Resources and Environmental Engineering from Portland State University in the evenings.

Outside of work Alden can be found outdoors running, hiking, or at a local sports game.

Erik Olson
CAD Technician II

Erik is a native Oregonian, with more than 20 years of experience in his field. He has been with AAI since 2004.

Erik is a versatile employee, working with both the Structural and Civil Engineering Departments of AAI. His time is always in demand here at AAI because the turn around is always swift and his work is spot-on.

Clinton Cogswell
BIM Manager

Clinton is another of AAI’s born and raised Oregonians. He attended the ITT Technical Institute and holds an Associates Degree in Applied Science. A long time AAI employee, Clinton has witnessed the technological revolution first hand and does his best to makes sure AAI is at its forefront.

Clinton’s ability to problem solve is what holds AAI together. His calm response to employees’ occasional state of panic is one of his greatest assets. Another is his ability to resolve technological issues quickly and efficiently. He also provides CAD support for the Structural Department.

Serena Smith
Office Manager

Serena has lived in Southern California most of her life where she attended the University of California, Riverside. She recently moved to Oregon looking for a slower pace and more opportunities for a better quality of life. Serena’s experience has focused on the management of small to medium size companies for over fifteen years, so she is a perfect fit for AAI.  She is very family focused, loves to spend time outdoors, and travels as much as possible.   

Serena is dedicated to the AAI company culture and our employees’ success. She works diligently to improve workplace organization and efficiency while maintaining a fun atmosphere.  Her experience in accounting and human resources, as well as her formidable multi-tasking abilities, keep the company running smoothly on a daily basis.  


Privacy Policy

Effective date: April 12, 2019

AAI Engineering (“us”, “we”, or “our”) operates the website (hereinafter referred to as the “Service”).

This page informs you of our policies regarding the collection, use and disclosure of personal data when you use our Service and the choices you have associated with that data.

We use your data to provide and improve the Service. By using the Service, you agree to the collection and use of information in accordance with this policy. Unless otherwise defined in this Privacy Policy, the terms used in this Privacy Policy have the same meanings as in our Terms and Conditions, accessible from



Service is the website operated by AAI Engineering

Personal Data

Personal Data means data about a living individual who can be identified from those data (or from those and other information either in our possession or likely to come into our possession).

Usage Data

Usage Data is data collected automatically either generated by the use of the Service or from the Service infrastructure itself (for example, the duration of a page visit).


Cookies are small files stored on your device (computer or mobile device).

Data Controller

Data Controller means the natural or legal person who (either alone or jointly or in common with other persons) determines the purposes for which and the manner in which any personal information are, or are to be, processed.

For the purpose of this Privacy Policy, we are a Data Controller of your Personal Data.

Data Processors (or Service Providers)

Data Processor (or Service Provider) means any natural or legal person who processes the data on behalf of the Data Controller.

We may use the services of various Service Providers in order to process your data more effectively.

Data Subject (or User)

Data Subject is any living individual who is using our Service and is the subject of Personal Data.

Information Collection and Use

We collect several different types of information for various purposes to provide and improve our Service to you.

Types of Data Collected

Personal Data

While using our Service, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you (“Personal Data”). Personally identifiable information may include, but is not limited to:

  • Email address
  • First name and last name
  • Phone number
  • Cookies and Usage Data

Usage Data

We may also collect information on how the Service is accessed and used (“Usage Data”). This Usage Data may include information such as your computer’s Internet Protocol address (e.g. IP address), browser type, browser version, the pages of our Service that you visit, the time and date of your visit, the time spent on those pages, unique device identifiers and other diagnostic data.

Tracking Cookies Data

We use cookies and similar tracking technologies to track the activity on our Service and we hold certain information.

Cookies are files with a small amount of data which may include an anonymous unique identifier. Cookies are sent to your browser from a website and stored on your device. Other tracking technologies are also used such as beacons, tags and scripts to collect and track information and to improve and analyse our Service.

You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our Service.

Examples of Cookies we use:

  • Session Cookies. We use Session Cookies to operate our Service.
  • Preference Cookies. We use Preference Cookies to remember your preferences and various settings.
  • Security Cookies. We use Security Cookies for security purposes.

Use of Data

AAI Engineering uses the collected data for various purposes:

  • To provide and maintain our Service
  • To notify you about changes to our Service
  • To allow you to participate in interactive features of our Service when you choose to do so
  • To provide customer support
  • To gather analysis or valuable information so that we can improve our Service
  • To monitor the usage of our Service
  • To detect, prevent and address technical issues

Legal Basis for Processing Personal Data under the General Data Protection Regulation (GDPR)

If you are from the European Economic Area (EEA), AAI Engineering legal basis for collecting and using the personal information described in this Privacy Policy depends on the Personal Data we collect and the specific context in which we collect it.

AAI Engineering may process your Personal Data because:

  • We need to perform a contract with you
  • You have given us permission to do so
  • The processing is in our legitimate interests and it is not overridden by your rights
  • To comply with the law

Retention of Data

AAI Engineering will retain your Personal Data only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use your Personal Data to the extent necessary to comply with our legal obligations (for example, if we are required to retain your data to comply with applicable laws), resolve disputes and enforce our legal agreements and policies.

AAI Engineering will also retain Usage Data for internal analysis purposes. Usage Data is generally retained for a shorter period of time, except when this data is used to strengthen the security or to improve the functionality of our Service, or we are legally obligated to retain this data for longer periods.

Transfer of Data

Your information, including Personal Data, may be transferred to — and maintained on — computers located outside of your state, province, country or other governmental jurisdiction where the data protection laws may differ from those of your jurisdiction.

If you are located outside United States and choose to provide information to us, please note that we transfer the data, including Personal Data, to United States and process it there.

Your consent to this Privacy Policy followed by your submission of such information represents your agreement to that transfer.

AAI Engineering will take all the steps reasonably necessary to ensure that your data is treated securely and in accordance with this Privacy Policy and no transfer of your Personal Data will take place to an organisation or a country unless there are adequate controls in place including the security of your data and other personal information.

Disclosure of Data

Business Transaction

If AAI Engineering is involved in a merger, acquisition or asset sale, your Personal Data may be transferred. We will provide notice before your Personal Data is transferred and becomes subject to a different Privacy Policy.

Disclosure for Law Enforcement

Under certain circumstances, AAI Engineering may be required to disclose your Personal Data if required to do so by law or in response to valid requests by public authorities (e.g. a court or a government agency).

Legal Requirements

AAI Engineering may disclose your Personal Data in the good faith belief that such action is necessary to:

  • To comply with a legal obligation
  • To protect and defend the rights or property of AAI Engineering
  • To prevent or investigate possible wrongdoing in connection with the Service
  • To protect the personal safety of users of the Service or the public
  • To protect against legal liability

Security of Data

The security of your data is important to us but remember that no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your Personal Data, we cannot guarantee its absolute security.

Our Policy on “Do Not Track” Signals under the California Online Protection Act (CalOPPA)

We do not support Do Not Track (“DNT”). Do Not Track is a preference you can set in your web browser to inform websites that you do not want to be tracked.

You can enable or disable Do Not Track by visiting the Preferences or Settings page of your web browser.

Your Data Protection Rights under the General Data Protection Regulation (GDPR)

If you are a resident of the European Economic Area (EEA), you have certain data protection rights. AAI Engineering aims to take reasonable steps to allow you to correct, amend, delete or limit the use of your Personal Data.

If you wish to be informed about what Personal Data we hold about you and if you want it to be removed from our systems, please contact us.

In certain circumstances, you have the following data protection rights:

The right to access, update or delete the information we have on you. Whenever made possible, you can access, update or request deletion of your Personal Data directly within your account settings section. If you are unable to perform these actions yourself, please contact us to assist you.

The right of rectification. You have the right to have your information rectified if that information is inaccurate or incomplete.

The right to object. You have the right to object to our processing of your Personal Data.

The right of restriction. You have the right to request that we restrict the processing of your personal information.

The right to data portability. You have the right to be provided with a copy of the information we have on you in a structured, machine-readable and commonly used format.

The right to withdraw consent. You also have the right to withdraw your consent at any time where AAI Engineering relied on your consent to process your personal information.

Please note that we may ask you to verify your identity before responding to such requests.

You have the right to complain to a Data Protection Authority about our collection and use of your Personal Data. For more information, please contact your local data protection authority in the European Economic Area (EEA).

Service Providers

We may employ third party companies and individuals to facilitate our Service (“Service Providers”), provide the Service on our behalf, perform Service-related services or assist us in analysing how our Service is used.

These third parties have access to your Personal Data only to perform these tasks on our behalf and are obligated not to disclose or use it for any other purpose.


We may use third-party Service Providers to monitor and analyse the use of our Service.

Google Analytics

Google Analytics is a web analytics service offered by Google that tracks and reports website traffic. Google uses the data collected to track and monitor the use of our Service. This data is shared with other Google services. Google may use the collected data to contextualise and personalise the ads of its own advertising network.

You can opt-out of having made your activity on the Service available to Google Analytics by installing the Google Analytics opt-out browser add-on. The add-on prevents the Google Analytics JavaScript (ga.js, analytics.js and dc.js) from sharing information with Google Analytics about visits activity.

For more information on the privacy practices of Google, please visit the Google Privacy Terms web page:

Links to Other Sites

Our Service may contain links to other sites that are not operated by us. If you click a third party link, you will be directed to that third party’s site. We strongly advise you to review the Privacy Policy of every site you visit.

We have no control over and assume no responsibility for the content, privacy policies or practices of any third party sites or services.

We use FileMail for large file transfers.

FileMail Privacy Terms web page:

Children’s Privacy

Our Service does not address anyone under the age of 18 (“Children”).

We do not knowingly collect personally identifiable information from anyone under the age of 18. If you are a parent or guardian and you are aware that your Child has provided us with Personal Data, please contact us. If we become aware that we have collected Personal Data from children without verification of parental consent, we take steps to remove that information from our servers.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

We will let you know via email and/or a prominent notice on our Service, prior to the change becoming effective and update the “effective date” at the top of this Privacy Policy.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

Contact Us

If you have any questions about this Privacy Policy, please contact us: