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      <span>David Sherrer</span>
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      <div class="eyebrow">Founder · Inventor · Operator</div>
      <h1 id="hero-title">Founder, inventor, and deep‑tech operator building hard‑technology companies in defense materials, RF, MEMS, advanced manufacturing, and physical‑world systems.</h1>
      <p class="lede">I build and operate hard-technology companies that turn technical insight into real-world capability.</p>
      <div class="prose" style="max-width:760px;margin-top:8px">
        <p>My work spans materials science, RF and microwave systems, MEMS, advanced manufacturing, defense materials, defense electronics, industrial asset recovery, and technical company formation. Across prior companies and current operating platforms, I have helped move technologies from invention and prototype into funded programs, manufactured hardware, customer adoption, and successful exits.</p>
        <p>Through <a href="https://nuvonexus.com" target="_blank" rel="noopener">NuvoNexus</a>, I lead and support a portfolio of operating companies focused on defense materials, defense electronics, industrial capability, and deep-tech advisory work. My prior companies include Haleos, acquired by Rohm and Haas Electronic Materials in 2002 (now part of <a href="https://www.dow.com/en-us/market/mkt-electronics.html" target="_blank" rel="noopener">Dow Chemical</a> following the 2009 Dow/Rohm and Haas merger), and Nuvotronics, acquired by <a href="https://www.cubic.com/" target="_blank" rel="noopener">Cubic Corporation</a> in 2019. I am an inventor on <a href="patents.html">more than 125 issued patents worldwide</a>.</p>
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        <div class="meta-item"><strong>Currently</strong><span>CEO, <a href="https://nuvonexus.com" target="_blank" rel="noopener">NuvoNexus</a> · President &amp; CEO, <a href="https://www.macrovation.com" target="_blank" rel="noopener">MacroVation</a></span></div>
        <div class="meta-item"><strong>Based</strong><span>Cocoa Beach, FL · Fairlawn, VA</span></div>
        <div class="meta-item"><strong>Domains</strong><span>Defense materials · RF &amp; microwave · MEMS · Advanced manufacturing · Hard-technology commercialization · Industrial asset recovery</span></div>
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  <section id="architecture" aria-labelledby="arch-title">
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      <div class="section-eyebrow">Portfolio architecture</div>
      <h2 id="arch-title">One operator. One portfolio spine. Multiple operating arms.</h2>
      <p class="section-lede"><a href="https://nuvonexus.com" target="_blank" rel="noopener">NuvoNexus</a> is the portfolio platform. <a href="https://www.macrovation.com" target="_blank" rel="noopener">MacroVation</a>, <a href="https://helicondefense.com" target="_blank" rel="noopener">Helicon Defense</a>, Phoenix Asset Recovery, and related advisory work each serve a different part of the hard-technology operating model: building, funding, recovering, adapting, and commercializing technical capability.</p>

      <div class="card-grid card-grid-5">
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          <div class="role">Parent · Holding</div>
          <h3>NuvoNexus, LLC</h3>
          <p>Parent and portfolio platform for operating companies in defense materials, defense electronics, industrial asset recovery, and deep-tech advisory work. It exists to connect technical judgment, operating discipline, capital allocation, and company formation across hard-technology opportunities.</p>
          <a class="card-link" href="https://nuvonexus.com" target="_blank" rel="noopener">nuvonexus.com</a>
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        <article class="card">
          <div class="role">Operating · Defense materials</div>
          <h3>MacroVation, LLC</h3>
          <p>Defense R&amp;D operating company focused on advanced materials, composite tooling, and material-enabled systems for U.S. defense customers and their prime contractors. The work sits at the intersection of chemistry, materials processing, mechanical performance, manufacturability, and defense program execution.</p>
          <a class="card-link" href="https://www.macrovation.com" target="_blank" rel="noopener">macrovation.com</a>
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          <div class="role">Operating · Defense electronics</div>
          <h3>Helicon Defense, LLC</h3>
          <p>Defense electronics operating company focused on passive RF targeting and host-agnostic integration across aerial, ground, maritime, and dismounted contexts. Public details are intentionally limited.</p>
          <a class="card-link" href="https://helicondefense.com" target="_blank" rel="noopener">helicondefense.com</a>
        </article>

        <article class="card">
          <div class="role">Operating · Industrial</div>
          <h3>Phoenix Asset Recovery</h3>
          <p>Industrial equipment recovery and resale within the NuvoNexus portfolio. Practical work: identify underused technical and process-industry assets, recover value, and redeploy equipment into environments where it can support the next operator, lab, or manufacturing program.</p>
          <span class="muted">Radford, VA</span>
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        <article class="card">
          <div class="role">Advisory · Venture</div>
          <h3>Phase Shift Ventures</h3>
          <p>Advisory and venture-facing side of the platform, with a focus on deep-tech company formation, technical diligence, operator-informed venture support, and the translation of technical capability into investable company strategy.</p>
          <span class="muted">Orlando, FL · Florida Space Coast</span>
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  </section>

  <section id="method" aria-labelledby="method-title">
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      <div class="section-eyebrow">Operating method</div>
      <h2 id="method-title">Hard technology requires more than invention.</h2>
      <div class="prose" style="max-width:760px">
        <p>The work is not just to have a technical idea. The work is to make the idea survive contact with materials, manufacturing, contracts, customers, documentation, compliance, capital, and schedule.</p>
        <p>My operating focus is on:</p>
        <ul>
          <li>Turning technical insight into fundable programs.</li>
          <li>Building credible evidence around physical systems.</li>
          <li>Connecting invention to manufacturable hardware.</li>
          <li>Structuring small teams around measurable progress.</li>
          <li>Recovering useful industrial capability from overlooked assets.</li>
          <li>Supporting defense and industrial customers with practical, executable technology.</li>
        </ul>
        <p>The common thread is execution: moving from concept to evidence, from evidence to program, and from program to durable company value.</p>
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  <section id="infrastructure" aria-labelledby="infra-title">
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      <div class="section-eyebrow">Operating with modern infrastructure</div>
      <h2 id="infra-title">Invisible to customers. Decisive in execution.</h2>
      <div class="prose" style="max-width:760px">
        <p>Behind the portfolio, I operate on a modern AI-enabled backbone for research, documentation, program coordination, and institutional memory across the operating companies. The goal is not to build or sell systems &mdash; it is to run hard-technology companies with better technical recall, faster coordination, and tighter evidence capture than the median small business.</p>
        <p>Better technical memory. Better evidence capture. Better documentation. Faster coordination between engineering judgment, customer requirements, and physical execution.</p>
        <p>Public details are limited because much of the work sits near defense customers, controlled documentation, proprietary technical data, and active compliance programs.</p>
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  <section id="track-record" aria-labelledby="tr-title">
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      <div class="section-eyebrow">Track record</div>
      <h2 id="tr-title">Two prior deep-tech exits. One operating playbook.</h2>
      <div class="stats" style="max-width:840px">
        <div class="stat"><a href="patents.html" style="text-decoration:none;color:inherit;display:block"><div class="n">125+</div><div class="l">Issued patents worldwide</div></a></div>
        <div class="stat"><div class="n">2</div><div class="l">Prior company exits</div></div>
        <div class="stat"><div class="n">30+</div><div class="l">Years operating in hard technology</div></div>
        <div class="stat"><a href="https://www.darpa.mil/" target="_blank" rel="noopener" style="text-decoration:none;color:inherit;display:block"><div class="n">I–III</div><div class="l">DARPA program phases</div></a></div>
        <div class="stat"><a href="https://www.darpa.mil/" target="_blank" rel="noopener" style="text-decoration:none;color:inherit;display:block"><div class="n">Award</div><div class="l">DARPA Innovation Award · 3D-MERFS</div></a></div>
      </div>
      <div class="prose" style="max-width:760px;margin-top:32px">
        <p>Nuvotronics, founded in July 2008 through a management buyout of the Rohm and Haas Microfabrication business in Blacksburg, VA, was acquired by <a href="https://www.cubic.com/" target="_blank" rel="noopener">Cubic Corporation</a> in 2019. The company commercialized advanced RF and microwave technologies based on high-performance three-dimensional microfabrication.</p>
        <p>The underlying platform advanced through all three phases of the <a href="https://www.darpa.mil/" target="_blank" rel="noopener">DARPA</a> 3D-MERFS program (3D Microelectrical RF Systems) and received the DARPA Innovation Award following Phase III execution.</p>
        <p>Haleos, reincorporated from ACT MicroDevices in 2000, was acquired by Rohm and Haas Electronic Materials in 2002 (now part of <a href="https://www.dow.com/en-us/market/mkt-electronics.html" target="_blank" rel="noopener">Dow Chemical</a> following the 2009 Dow/Rohm and Haas merger). The intellectual property became part of the foundation for the PolyStrata platform.</p>
        <p><a href="https://nuvonexus.com" target="_blank" rel="noopener">NuvoNexus</a> is the current operating portfolio.</p>
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  <section id="darpa-to-product" aria-labelledby="d2p-title">
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      <div class="section-eyebrow">DARPA to product</div>
      <h2 id="d2p-title">From a DARPA program to a manufactured product line.</h2>
      <div class="prose" style="max-width:760px">
        <p>Most DARPA-funded technology does not reach a manufactured product line, and very few small businesses carry one across all three SBIR phases, into qualified production, and into the supply chains of the major defense primes and leading commercial test-and-measurement vendors.</p>
        <p>The work that began as the <a href="https://www.darpa.mil/" target="_blank" rel="noopener">DARPA</a> 3D-MERFS program (3D Microelectrical RF Systems) is one of those rare exceptions. Out of a single small business, the underlying PolyStrata® micro-coaxial process moved through all three DARPA phases, earned the DARPA Innovation Award, scaled from research demonstration into a qualified manufacturing process, and was adopted into hardware shipped by major U.S. defense primes, space and satellite programs, and commercial test-and-measurement vendors, including <a href="https://www.keysight.com/" target="_blank" rel="noopener">Keysight</a>.</p>
        <p>The process has since extended into large-panel fabrication and surface-mount components, broadening the manufacturing base for high-frequency RF and microwave hardware used in space-borne phased arrays, satellite communications, 5G and LEO broadband infrastructure, and next-generation defense electronics.</p>
        <p>Carrying a DARPA technology from invention to Phase III, through an Innovation Award, into qualified manufacturing, integration into prime-built defense systems, and adoption by major commercial test-and-measurement vendors is an uncommon outcome for any organization — and a rare one to achieve from a single small business.</p>
        <p class="section-lede" style="font-size:14px;color:var(--ink-dim);margin-top:24px">External coverage of the technology and its commercialization arc: <a href="https://www.microwavejournal.com/articles/5878-an-enabling-new-3d-architecture-for-microwave-components-and-systems" target="_blank" rel="noopener">Microwave Journal</a> · <a href="https://ece.ncsu.edu/seminar/ben-cannon/" target="_blank" rel="noopener">NC State ECE seminar</a> · <a href="https://www.nuvotronics.com/polystrata/" target="_blank" rel="noopener">Nuvotronics PolyStrata</a>.</p>
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  <section id="tech-areas" aria-labelledby="ta-title">
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      <div class="section-eyebrow">Technology areas</div>
      <h2 id="ta-title">Where the work lives.</h2>
      <ul class="chip-grid" aria-label="Technology areas">
        <li><a href="about.html#expertise">Materials-enabled defense systems</a></li>
        <li><a href="about.html#expertise">RF and microwave electronics</a></li>
        <li><a href="about.html#expertise">MEMS and microfabrication</a></li>
        <li><a href="about.html#expertise">Advanced manufacturing</a></li>
        <li><a href="about.html#expertise">Composite tooling</a></li>
        <li><a href="about.html#expertise">Industrial process equipment</a></li>
        <li><a href="about.html#expertise">Defense R&amp;D execution</a></li>
        <li><a href="about.html#expertise">Technical diligence</a></li>
        <li><a href="about.html#expertise">Company formation</a></li>
        <li><a href="about.html#expertise">Program strategy</a></li>
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