BEGIN:VCARD VERSION:3.0 REV:2026-05-04T06:52:52Z N;CHARSET=utf-8:Stephen Walenchok, Ph.D.;;;; FN;CHARSET=utf-8:Stephen Walenchok, Ph.D. URL:/people/stephen-walenchok ORG;CHARSET=utf-8:Ä¢¹½tv TITLE;CHARSET=utf-8:Senior Scientist EMAIL;INTERNET:swalenchok@exponent.com TEL;WORK:+1-623-587-6746 PHOTO;ENCODING=b;TYPE=WEBP:UklGRlYTAABXRUJQVlA4WAoAAAAQAAAArwAA2wAAQUxQSJwE AAABoIBs/+JG+jMMQwghhFDWN3u67u7ucu6y7nsu6+7ufu7ut+7u7i6VEELbDSEMYfjzO782/+/ 3Oz8iYgJsS9i2pYRt/Z+p255Z9NK8ZffcYytlySdYf9k1j3750msnYoeG+wTjtJ/0VVLT7z63pL 1QnOFRKmp9Zs9rw3s/V9OWRXANFf+2nk+0t8XgbKEMnSOEEqPPUaamRwYcAXSOUia76WdC3NWNU qbnP2FxZk/TZODAMF/ljpCZ5wJM+fpnk6l7QjyNJIPdFziKJEyiDQyVOEFGn+jvcOOsI9O7M5O1 gYzfwEvrbDI/9hgn1fMJ4RGLj9ApwvgMHwsI5DGLjT0o9B1sHEJBLbm4R8PILsdDpJBwfsBDbQ3 EDXHg20BIG3IQdKGsYiEFxQ0zUF1DoZoM3ENYezPQF8wCBj4CMwufnQumLb7bNJi++O4hsO/hew TNOny90RzDNwtNzIL3CRovC94HaKgrvLZwlsHL8tCsgecUotkCTx1BcwjfJ2jyHXjvoPEi8L5CQ x3RWRfgDIV3Ds4GeFfgrEKn3oIzHF5bjWY0vKw0mtbw6hPa6vAqazBeBF7IBUNd4dlRNGvgWTE0 XgSdnY+GhqJTR+CsgTcJTiqMri8cao1uEp6n0K3C0xPde3gaousPJ+pDVx/OHIWunAbjVYTnxMA sUvDUW1guBBjoCsVrqRgIJJAsUByoDUBO+HnoqmHkV1Y8WB+hSLZVTKjQNQzZzRUbqmEKwZ5Sih H1iGdcbNodihX1RNqs/ClhZbQR6p6EUSOV4WaouldM6sqSCn9jUG2elHXInIpMqTnGpEtw1dQYN 8SVEzcl6edKrTAl4WOroTYk6WdLbTEkFeSrtTYjP8CX9Y0ZVxRf6raEEXqsny/1jBFEZxryZX1l BrmPsKVKXDOD0vewpeq7ZlCqOVvqBUMouwxb1hlD6ECQK/WBKbQlwNU0Y2hHFlN9zaEzFXlqaRD FO7MU8QwivSzIkBM3iejSPfyoPWYRHevMTdW4aeQ9w4tzjszXR8ZWtfgYTxj1sZGVLR6qp0AQkT 40/A4GrE0E1dsxtAw4/zyCm97SP4zL6p1NkFNf3eNgKvEN4b4xOgKoeTZB9zb0DGKpuMAl+IWfd XdQ+B7aoYnH6JKmDoDQKzeI0xvLuvrNKjUrQeymNg2v65gSWZYgpnNfeyhsQGSZS5yn941vaGdU zfdSxP+1kcFMse/ZpkmG0YEZERh4huSoMyA0NkaSLL4SMwpJlsVVYkYhSbN4ys1LkjyLI7IiRRI tusiqNMm0qMIzkiTVovE9Eye5FoX1wDmSbBE03Eay/V2lXvNIUlbfOIn3tzXdQAL+LfYMj0RlvU Uy/g3DSViVXWm9QcIKJ6XVk6T1ibScXGlVJWk9Iq7h4logrvfEtU9c56Rlx6QVcqVVWUurPUmrp 7heEtdr4lojriPSsrKl5XelVYak1VpcT4lrhrg+EtcRafkT0rpLS6sjSesZcS0S1xfiuiCtUFpa LUlaz4jrNXFtEtcFafkLpRVISusOLa3qJK264moprvbiaiyu1uKqK66KWloRcVUlaQ0Wlysu/Y8 bVlA4IJQOAADQSgCdASqwANwAPm0wk0ckIqGjKNPceIANiWUA1MDy0FmNDDwf4L+3d54b0q7z56 AHSx/3fBiv8B3E/7rxB8vnw+XzTt/vuLngF+0d/PAN0Y/o/832xR+j+wL/Ov8D6Q+iT6+4A/oof sYgqtCJHxFKxcyElUfvJl4hYtwcnv/cSomTnKCgZuTUueR0nbdohvT61ziPnuexL9J+UOO7b6JQ nYTi6ajUFDZVr+pqYV+8mpMFP4VvA7Rq9XStzTVcMnsJHzaEq47rBwSxCaLGwcrg4dmaf6D0M3D y3P9229gRtqkGio5rQ6TFjYvie1aAYg9VEyd1S1bxfBUly/ME2x1neknjg5+zbOmzGViTQZYjPt bH7bJAMNGXTUstFdn3BNXtxpWG2+F5S9Lnls+1p3hDn0+0o+ehjtmVRgX2JA9Gxuk1YRvWQP481 SRel3fp32iyo/TcUNLjyxC+b4zMOV9gnBArZELKu16NIt1xdINlNXq1o1WoB2pfdfXwjBCJWyjZ w8c7y+zLlUh81RIuvFM/opQIGV7gN/PP19cDCRdEtvJNEbhhkR5A1p0lD+vYOIZKcUkJ0HQ8Jbj oiN3Jd+9NWpUako7/DDv9j+mpWWV1s4+dlYgAU8Uycnz55vF6L9Hg+uiwbWvt9QUJt7dM4eGplr zI8TBgYdUZCF6dFqKYNwM0oeiTmAhatukNK7CCOyvOCidr/Q715L7HuxTxyuKBTvYO0GYlMI3Ep 073jmPGTGZNbEAh2NK/FcX8YvpcNsX9mj1zmQ2E5Ku6mMDIfl3+a9Q5SZ0oY20A8RNYCtAAAP71 IP//dEv/7nt//+6JgAAAGEpl4yD4sj0BaIQcfWpX/VpTEIuFvXHGY3xJJijbFPM07OQFlOeUPUe t3NgeX4f2PgaEWZH8UOnNiLthNx9/lrRqHHCi6dvfEXbAhp0WRhCz3GZrVxuZ0u9fhjlkDVe9bL JurdV8q5vt9mIyH0agz6ii2JkV7zCaZm8ovFOh8ZKuJmbDb3jfVyaFHX02+RMu8rPH24ACZhD/5 vLxpWykSwWlrHX8sfNY60e+jH14qwrmDlimKbBAJHJD1FH3Bbdixglv8Y4K4K2s1M67XXVpfl7u F0ktoeQMjnQ7x1PGmB2KfRdmXtsopuhHeDvGeP09V1BdAYrcgboKD7ojG3jDQ1V1JhLw6vaTG3d YcdOybaswHbw0r89JdqD+zdvPJmFXCbLtulIk3Ex00oUHVzQjjGbjKsLxeSRGHbWo1B37kNpSGp zBUwQrOc5qnQdXYhjfX0jx3KFJAlMLSVTJJuxFw3oT8Y1Zu0zdYRNhT2en3+0C1e8PG+d3+mV/o A3C8/6wArkvhoqJF8LTawv5qmW9Q/rN/BF9tIt227NzXCldNnobkcCYNl+oOT8NJVFqWt+JAnLY FTqX/4eJIIs9Sjy7hd/5G8Xl2MecC7dBWE0cVdGEyERmMM1SBoyRBJ15sBeOt+xw/bKr4DpDBam 2mvjKXQfZ8i61FrJV+hn38EAMXencT0Owr1Bxga8EXBXXYQRIL3rLFuq3uhQHQkBLK/c+ML38i4 WT1njd1XVPV2hg0dGh3hpxGxl3DDF082iy+Ke+GZwQ/NiCykmHx8HmhasAI5JHD73Q9GlwUabbC B4xyEDX0tUdpZP1ckQThSuzQvoslUh8M4qvI0bEooFy6XEG8QTWE92Itx3vvhZJ2vkrTG829sA4 1ajTjUu31eAye/XSZzRGhNuXHmQZ75OROKKDRECjIMmsmfS9Qvam7kcicQEEt1Sb2FilKzaCOIx iHS895kWw9IxpkmXFhvDrRohTYSUj0AVuFxW1sLk11gKCXCRV2T4pQH1OK4EYH7BXPFqo47MAUI PZbcI4L9hDs+J5Ss4cfaynb3nOEBkdw5rT/QW+cwTqFuHdiWPciFYdpG7WP+e3C9G6FvVhhb1IU WaXHb/dYqc71tKvn9a2UKSEOfVmlyoP7V53pWsliE0aOQUG79WpEEsZAGnYiHG7D1DUygcXsz0v SaAwF5XzYbE6DBSCnp8hE4hVkO+mhc22SiS+xFnck2sl5Rj78bZ/qG7+oVgZv7x8UqeNyCzKDU3 M+f8/kOWG1ZHx8TOqwzNETFMtoePatZQgBFV1k+kC9TyjBaowQ7ikgPlkGoPMIKT1Gx5mpZPcq1 uNCICmdrzQW38GOhYgzgPe7U/2FpQjRchI2iZ3j3MEI1IYN2GBRMmHdbsUL//7r3WMIX8nME6Bc 99qnUn8j5L9TS085RnRC5WFJrp30gtGc5NZJhKmFPS2T4nmZJ78YHtqDpCZig5/+1cJ5M9oBojg EzFEwXkJUVm1GRTc7J3gn2i9WflAY502ilkZbnSE7e/D/OzBfGUA147Gh8BLnzZeJUeGchbN0tA k+ks2BubZW6EYXVDw5HLTp2Tjqn7llk9happErD0gUFA3+tt017E3NTf39MSkctY+F1/VNEdukc DH8J4pl+DydOhCf3Bjxah7xwjb9L4xPQciQoaujLWUPki1M9n/x8tZFutoJIkvCiP8h4IN2P91D gCA8yjFYBWtgtsP6FWSeWtqknCjUEhnWGHiKuob3Epm2rwW5cysQrE06q3gi104jvxHkDrey9+6 Ff6l6Bkz51r2xBOSlbz1ugQaXQulGEVoo7EHeMr35TbVq6GqdG9GSECgiypUftHF8HcCy1BJTTD yv0TxeXk+qy4ChMnhsnlJ0R6iucOeAWKW1qnCfvZemptf735Vw246756PQN5HnQbP6y6i/F57fi qTmXtM9gzTADzaV7GDUAgk2J5VCrYI64yAhg8+x3l/VW20KLbMT4syznXYQT+6+0k/ZAetxRHPy 78pq4/OLYsmUtaPNARCAsiEyCplYTK0WSC5/h3pCw6406tbuA6N+yoUXUBlXRhSL8A9sQ5Bud4s a3Mss7NdlzkgUR0L0yi6XpPBHRhvh5EsbhR6PG9h2GeVeazLMf/ocK0tICTYtaaxR86KcZcNnSA QmPphd8bgoiMaoGM78sxt/Q1OHkNSwGzQBhMqP2I4upAX/6NB1K877Qe49NeRh5ywXB4jJnCq6I gc8qTejSGBA6LtqriQDXrbpeJaxq4VxmjT4L3BEVvtqPgK719XOLV3WTfwdIBCIW2xaxbOTVvX4 Sgvh7gUc1XF1sKuG5qqdEn5BoV89wPK+lOVMSZW/bd3NCr5kiWpiyxetiI9wf6Z9iQNuYV3/nov DoF3AJ9b+vSkL1+hQsIToqbcqKD6Gzkjtm/T9lZkvIvYxuxqOEpvnmgxstaTARR756GIA06B2KO 3M8Z/MWFsDXRIcRx7Hjv/4rc1ZnOlY2+9IqQi+EdKTonzFBCwGiH2U17nW/viYwho7SL3XezO1D S7CmzX2gt9UaqdJ0iS3Xpos5yEFjJitzNZNZ+BoItDcZ/hA49QS5o2UJIFsARR+DfNJsBKhPQ67 2tzZLztjwM160Zi1fz8NB2fR9QUR0xFiTXOxRKgUVpLCb3UwFvQd9/lpOfUQLNsMqwCGw2RHXWX EZtfreIYp66X75v0V6BRXP5Euux254AEJSrV/l2PRHICE4ZKW1CDTVtNkWCflf9g/xMf84T86Bo 6sdE+Tv5sJDpUyZnUjN8wmXS3x7Q/P1QUxpM5Vyta7zPFJcGx/2cmjIGB5DH1oKBUPeDBzjwhG/ 1OrZTUwSbi6eKkBnW6j+TUW/kJ/SyYMNBb6XzshP2ppt1xzewCHaUoycSaBKL1c0FiN1aqBwwyw FIjbBV/eG99FZQDHoq/aLJWzzL6b9iG5HDsV0ppyXcY5tIPQyE4DK/04zLvr0TTTs2T1QMEWB+d yJ3WVLJUi+BLbpwNxzcUuWeOaw4yjMslo+PFkh2hbO4rWpyQOH+vhyhOEPF8VXEh+Oe4SG77e4J o0n6vad7VSlzqUbDAoIadLYUyUDTc2sv1lbrQqYE+FRMRDCZvQi4tq18ajWlgWHjzN/wmUtCxzV uDkCcD2ahNXyXs7tf3uc7B4+oXwFmW7q/GaTInJMACkgciLYwMcLQ+K8Ic7pr8xZDNylXuKfUC7 KojYkpaCdzaIjRsyt1nmhwFqnTGV6s5klBNN3vp0JOVOuHkJtlg+kGC2lylOyLLRaAtnmBd4bTi sCnGZNwRa7sUj5zR9KXgPAb3tbItoNnhLYpV6npPxN3HvM+ot3XjOd8holkslsNKzm/cc6W4jin iYVMPAOeRnOvGpU2Lb8Zu2IKloUTogpZRcN1Pcd9jliUc1vHtnmv2gNmXc3MGcdwWIfCIQHakpR JkMlROidsTEMFfBZR+HQ4lmNHTN6YnERRgga2ZapNoR2dG1kb0lqDLD9dJwpzn4yrb8K5Kb8f4z dvjuJ4ib79A7y3fUNpbVqXU46xn6Z3FWWYLfQWw17WXxOQThvYrd2AyLRAnEuX/cHcKRRkyQwHQ zwLj38ttEq8Lc7/U6iZBHZbYz7W8NgCkZNZ8oOduqwrpVxEGufxmZBbSqZDzknhmcxbaIAO/7Ro egCFMFMcsR2N+LdXU4j/BAHEIvB1NrtJJE2JZCU4zZNjAeAtOaw2hDGP9blIRXI1vu4Lc0hnyvK dFqj1kzJF98PKXMf8mY2dsODB/jbb+W6rQ2rK7oK7tW3S7rDP4ZoOMFLEUgUoY/lNEExaC5HHyA VNCIpvNiv6iSCwLEojLSrGPs4+ZLisF7bPvUSF4QeH1+r4aRbH5zcTkWYg+FX0YPky/1btlTIca DZU7SPaRiXfHr/k84SowYh5mDUxC2lJIDG/WqNCh9mSP4XoqhyPOFN8CVFOb6LgqJHV49BFXUN0 4Xs7TxFVvv+R8x9ivZ7/gfV4e/o4m9HK6eAYLWJd+KkaiJYez32qEyVtAGoivgboUbuC4B0djyx fmqaXw+vUJSByQm+hFqqtSrGFPJ+MlegQkOEc0Uh/7bmdVW9+LOAIEilVLtIbWtkLjG1Ad6BQ1M oiyLi3oBc4+zM+SOKdL2JbxYTIqCxcpegAAAAA= END:VCARD