{"id":9,"date":"2022-02-10T14:38:44","date_gmt":"2022-02-10T14:38:44","guid":{"rendered":"https:\/\/www.isi.edu\/research-groups-nlg\/?page_id=9"},"modified":"2026-10-17T08:20:14","modified_gmt":"2026-10-17T08:20:14","slug":"people","status":"publish","type":"page","link":"https:\/\/www-staging.isi.edu\/research-groups-nlg\/people\/","title":{"rendered":"People"},"content":{"rendered":"\n<section>\n    <h2>Faculty and Research Leadership<\/h2>\n<\/section>\n\t        <div class=\"cards-wrapper page-content fl-content-fixed container\">\n        <div class=\"row\">\n                        <a href=\"\/directory\/marjorie-freedman\"\n               class=\"researcher col-6 col-md-4 col-lg-3 mrf\"\n               user-check=\"mrf\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/mrf-2.jpg\"\n                                     alt=\"Marjorie Freedman\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Marjorie Freedman<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Supervising Computer Scientist<\/h4>\n                                                                    <h4>Principal Scientist<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/jerry-hobbs\"\n               class=\"researcher col-6 col-md-4 col-lg-3 hobbs\"\n               user-check=\"hobbs\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/hobbs.jpg\"\n                                     alt=\"Jerry Hobbs\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Jerry Hobbs<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Visitor<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/xuezhe-ma\"\n               class=\"researcher col-6 col-md-4 col-lg-3 xuezhema\"\n               user-check=\"xuezhema\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/xuezhema-2.jpg\"\n                                     alt=\"Xuezhe Ma\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Xuezhe Ma<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Part-Time Research Assistant Professor<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/jonathan-may\"\n               class=\"researcher col-6 col-md-4 col-lg-3 jonmay\"\n               user-check=\"jonmay\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/jonmay-2.jpg\"\n                                     alt=\"Jonathan May\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Jonathan May<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Research Associate  Professor of Computer Science<\/h4>\n                                                                    <h4>Principal Scientist<\/h4>\n                                                                    <h4>AI Division Director(ISI)<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/xiang-ren\"\n               class=\"researcher col-6 col-md-4 col-lg-3 xiangren\"\n               user-check=\"xiangren\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/xiangren-1.jpg\"\n                                     alt=\"Xiang Ren\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Xiang Ren<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Andrew and Erna Viterbi Early Career Chair<\/h4>\n                                                                    <h4>Associate Professor<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                    <div class=\"researcher col-6 col-md-4 col-lg-3\">\n                                        <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/profile-headshot.jpg\"\n                                     alt=\"Ralph Weischedel\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Ralph Weischedel<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Visitor<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/div>                                    <\/div>\n        <\/div>\n        \n<section>\n    <h2>Staff<\/h2>\n<\/section>\n\t        <div class=\"cards-wrapper page-content fl-content-fixed container\">\n        <div class=\"row\">\n                        <a href=\"\/directory\/darrell-best\"\n               class=\"researcher col-6 col-md-4 col-lg-3 dbest\"\n               user-check=\"dbest\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/dbest-1.jpg\"\n                                     alt=\"Darrell Best\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Darrell Best<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Senior Research Engineer II<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/joe-cecil\"\n               class=\"researcher col-6 col-md-4 col-lg-3 jcecil\"\n               user-check=\"jcecil\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/jcecil-1.jpg\"\n                                     alt=\"Joe Cecil\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Joe Cecil<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Research Engineer II<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/ulf-hermjakob\"\n               class=\"researcher col-6 col-md-4 col-lg-3 ulf\"\n               user-check=\"ulf\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/ulf-1.jpg\"\n                                     alt=\"Ulf Hermjakob\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Ulf Hermjakob<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Visitor<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/jacob-lichtefeld\"\n               class=\"researcher col-6 col-md-4 col-lg-3 jacobl\"\n               user-check=\"jacobl\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/jacobl-2.jpg\"\n                                     alt=\"Jacob Lichtefeld\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Jacob Lichtefeld<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Research Engineer II<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                <a href=\"\/directory\/peter-zamar\"\n               class=\"researcher col-6 col-md-4 col-lg-3 pzamar\"\n               user-check=\"pzamar\">\n                                    <article>\n                        <div class=\"photo\">\n                            <figure>\n                                <img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/pzamar-2.jpg\"\n                                     alt=\"Peter Zamar\"\/>\n                            <\/figure>\n                        <\/div>\n                        <div class=\"content\">\n                            <h3>Peter Zamar<\/h3>\n                            <div class=\"titles\">\n                                                                    <h4>Project Specialist<\/h4>\n                                                            <\/div>\n                        <\/div>\n                    <\/article>\n                    <\/a>                                    <\/div>\n        <\/div>\n        \n<section>\n    <h2>PhD Students<\/h2>\n<\/section>\n            <a href=\"https:\/\/www-staging.isi.edu\/directory\/ruth-ann-armstrong\/\" aria-label=\"Link to personal page\">\n                <article>\n                        <figure><img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/research-groups-nlg\/wp-content\/uploads\/sites\/16\/2026\/10\/ruth-ann_armstrong_headshot.jpg\" alt=\"Ruth-Ann Armstrong Headshot\" \/><\/figure>\n                        <h3>Ruth-Ann Armstrong<\/h3>\n                        <h4>Graduate Research Assistant<\/h4>\n                <\/article>\n            <\/a>\n        <article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2024\/09\/dhananjay_ashok.jpg\" alt=\"Generic Photo of a Silhouette of a Person\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Dhananjay Ashok<\/h3>\n\t\t\t\t\t<h4>Visiting Research Assistant<\/h4>\n\t\t\t<\/article>\n\t\t<article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2021\/08\/cmchang-1.jpg\" alt=\"Generic Photo of a Silhouette of a Person\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Ming-Chang Chiu<\/h3>\n\t\t\t\t\t<h4>Graduate Research Assistant (Visiting)<\/h4>\n\t\t\t<\/article>\n            <a href=\"https:\/\/www-staging.isi.edu\/directory\/jcho\/\" aria-label=\"Link to personal page\">\n                <article>\n                        <figure><img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2021\/08\/jcho-2.jpg\" alt=\"Hyundong Cho Headshot\" \/><\/figure>\n                        <h3>Hyundong Cho<\/h3>\n                        <h4>Graduate Research Assistant<\/h4>\n                <\/article>\n            <\/a>\n            <a href=\"https:\/\/www-staging.isi.edu\/directory\/felkner\/\" aria-label=\"Link to personal page\">\n                <article>\n                        <figure><img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2021\/08\/felkner-1.jpg\" alt=\"Katy Felkner Headshot\" \/><\/figure>\n                        <h3>Katy Felkner<\/h3>\n                        <h4>Graduate Research Assistant<\/h4>\n                <\/article>\n            <\/a>\n            <a href=\"https:\/\/www-staging.isi.edu\/directory\/gheini\/\" aria-label=\"Link to personal page\">\n                <article>\n                        <figure><img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2021\/08\/gheini-1.jpg\" alt=\"Mozhdeh Gheini Headshot\" \/><\/figure>\n                        <h3>Mozhdeh Gheini<\/h3>\n                        <h4>Graduate Research Assistant<\/h4>\n                <\/article>\n            <\/a>\n        <a href=\"\/directory\/tenghaoh\" aria-label=\"Link to Tenghao Huang directory page\"><article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/tenghaoh-1.jpg\" alt=\"Tenghao Huang\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Tenghao Huang<\/h3>\n\t\t\t\t\t<h4>Research Assistant<\/h4>\n\t\t\t<\/article>\n\t\t<\/a>\n            <a href=\"https:\/\/www-staging.isi.edu\/directory\/linghaoj\/\" aria-label=\"Link to personal page\">\n                <article>\n                        <figure><img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2024\/08\/linghaoj-2.jpg\" alt=\"Linghao Jin headshot\" \/><\/figure>\n                        <h3>Linghao Jin<\/h3>\n                        <h4>Graduate Research Assistant<\/h4>\n                <\/article>\n            <\/a>\n            <a href=\"https:\/\/scholar.google.com\/citations?user=pZEaPR8AAAAJ&amp;hl=en&amp;authuser=1\" target=\"_blank\" aria-label=\"Link to personal page\">\n                <article>\n                        <figure><img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/research-groups-nlg\/wp-content\/uploads\/sites\/16\/2022\/02\/spangher-1.jpg\" alt=\"Alex Spangher Headshot\" \/><\/figure>\n                        <h3>Alex Spangher<\/h3>\n                        <h4>Graduate Research Assistant (Visiting)<\/h4>\n                <\/article>\n           <\/a>\n        <article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2024\/09\/muzi_tao.jpg\" alt=\"Muzi Tao HEADSHOT\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Muzi Tao<\/h3>\n\t\t\t\t\t<h4>Graduate Research Assistant (Visiting)<\/h4>\n\t\t\t<\/article>\n\t\t<article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2024\/08\/huijuan_wang.jpg\" alt=\"Generic Photo of a Silhouette of a Person\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Huijuan Wang<\/h3>\n\t\t\t\t    <h4>Graduate Research Assistant<\/h4>\n\t\t\t<\/article>\n        <a href=\"\/directory\/yanzewan\" aria-label=\"Link to Yanze Wang directory page\"><article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/yanzewan-1.jpg\" alt=\"Yanze Wang\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Yanze Wang<\/h3>\n\t\t\t\t\t<h4>Research Assistant<\/h4>\n\t\t\t<\/article>\n\t\t<\/a>\n\t\t<a href=\"\/directory\/nuanwen\" aria-label=\"Link to Nuan Wen directory page\"><article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"\/wp-content\/uploads\/headshots\/nuanwen-1.jpg\" alt=\"Nuan Wen\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Nuan Wen<\/h3>\n\t\t\t\t\t<h4>Research Assistant<\/h4>\n\t\t\t<\/article>\n\t\t<\/a>\n\t\t<article>\n\t\t\t\t\t<figure>\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/ai\/wp-content\/uploads\/sites\/6\/2024\/08\/nan_xu.jpg\" alt=\"Generic Photo of a Silhouette of a Person\" \/>\n\t\t\t\t\t<\/figure>\n\t\t\t\t\t<h3>Nan Xu<\/h3>\n\t\t\t\t\t<h4>Graduate Research Assistant (Visiting)<\/h4>\n\t\t\t<\/article>\n<section>\n    <h2>Members on Leave of Absence<\/h2>\n<\/section>\n       <a href=\"https:\/\/viterbi.usc.edu\/directory\/faculty\/Natarajan\/Premkumar\" target=\"_blank\" rel=\"noopener noreferrer\" aria-label=\"Link to personal page\">\n         <article>\n               <figure><img decoding=\"async\" src=\"https:\/\/www-staging.isi.edu\/centers-vista\/wp-content\/uploads\/sites\/14\/2021\/11\/prem-2.jpg\" alt=\"Prem Natarajan Headshot\" \/><\/figure>\n               <h3>Prem Natarajan<\/h3>\n               <h4>Founding Director (on leave)<\/h4>\n         <\/article>\n        <\/a> \n\n","protected":false},"excerpt":{"rendered":"<p>Faculty and Research Leadership Staff PhD Students Ruth-Ann Armstrong Graduate Research Assistant Dhananjay Ashok Visiting Research Assistant Ming-Chang Chiu Graduate Research Assistant (Visiting) Hyundong Cho Graduate Research Assistant Katy Felkner Graduate Research Assistant Mozhdeh Gheini Graduate Research Assistant Tenghao Huang Research Assistant Linghao Jin Graduate Research Assistant Alex Spangher Graduate Research Assistant (Visiting) Muzi Tao&hellip;<\/p>\n","protected":false},"author":421,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"tpl-full-width.php","meta":{"news_source":"","news_author":"","external_news_link":"","footnotes":""},"class_list":["post-9","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>People - Natural Language Group<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www-staging.isi.edu\/research-groups-nlg\/people\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"People - Natural Language Group\" \/>\n<meta property=\"og:description\" content=\"Faculty and Research Leadership Staff PhD Students Ruth-Ann Armstrong Graduate Research Assistant Dhananjay Ashok Visiting Research Assistant Ming-Chang Chiu Graduate Research Assistant (Visiting) Hyundong Cho Graduate Research Assistant Katy Felkner Graduate Research Assistant Mozhdeh Gheini Graduate Research Assistant Tenghao Huang Research Assistant Linghao Jin Graduate Research Assistant Alex Spangher Graduate Research Assistant (Visiting) Muzi Tao&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www-staging.isi.edu\/research-groups-nlg\/people\/\" \/>\n<meta property=\"og:site_name\" content=\"Natural Language Group\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-17T08:20:14+00:00\" \/>\n<meta property=\"og:image\" 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