The Office of Student Affairs and Development Services (OSADS), previously known as the Office of Student Support Services (OSSS), is a key institution for student leaders, civilians, and the like at Catanduanes State University (CatSU).

It is responsible for planning, organizing, implementing, and evaluating all university-wide events and activities conducted by recognized student body organizations, their sub-organizations, student publications, religious and social organizations, fraternities, and sororities, with guidance and approval from its Director.

Furthermore, the Office serves as a co-implementer of the university's rules and conduct, including conformity to the proper/prescribed university uniform, proper grooming, student discipline and conduct in relation to the mandate of the student handbook, and other implementing rules and regulations related to student welfare and decency.

The Office also selects, screens, and awards outstanding student leaders and other meritorious individuals who have excelled in their collegiate studies.

Moreover, the Director plays a unique role in coordinating various student welfare activities across different colleges through respective deans/principals to encourage students to engage in social responsibility and foster a sense of belongingness.

The Office of Student Affairs and Development Services also promotes the discovery and development of students' cultural inclination and sports awareness through creative practices such as dance, drama, music, arts, and various athletic and online skills events.

For inquiries, concerns, and clarifications, please visit the Office of Student Affairs and Development Services located at the Student Development Center of Catanduanes State University during office hours; Monday – Friday, 8:00 AM – 5:00 PM.

You may also contact them through email addresses: catsuosss@gmail.com and osads@catsu.edu.ph, or by phone: +63970 2393 917.

Political

No.	Name of Organization	President	Adviser
1	University Student Council	Hon. Virgilio Jr. S. Cortado	Engr. Jerilee P. Tadoy
2	College of Agriculture & Fisheries Student Council (CAF SC)	Miguel S. Sapico	Mr. Joshua Carl B. Bista
3	College of Business & Accountancy Student Council (CBA SC)	Lawrence G. Sadicon	Prof. Ma. Concepcion V. Marquez
4	College of Education Student Council (COED SC)	John Lester T. Templonuevo	Ms. Michelle Karen T. Miguel
5	College of Health Sciences College Student Council (CHS CSC)	Claribeth Zuniega	Ms. Romina C. Hoar
6	College of Humanities and Social Sciences College Student Council (CHUMSS-CSC)	Mark John B. Tayamora	Mr. Santos G. Sorra Jr.
7	College of Industrial Technology Student Council (CIT SC)	Carlo Beo	Mr. Joven T. Añonuevo
8	College of Information & Communications Technology CSC (CICT CSC)	Mr. Ronanj T. Molina	Prof. Aster Vivien C. Vargas
9	College of Information and Communications Technology College Student Council (CICT CSC)	RJ John O. De los Santos	Prof. Aster Vivien C. Vargas
9	College of Science Student Council (COS SC)	Felix A. Tablizo Jr.	Prof. Moreno Tabos
9	Engineering and Architecture College Student Council (EA CSC)	Josemar Delos Santos	Engr. Jayrald T. Urbano
9	College of Law Student Council (CoLSC)	Mhar Ariz T. Marino	Atty. Gregorio M. Sarmiento Jr.

Academic

No.	Name of Organization	President	Adviser
12	Agribusiness Ecofirm Society (AGRIBUSECOSOC)	John Francis B. Salvador	Prof. Fe M. Valledor
13	Junior Finance Executive (JFINEX)	King Bugaoiasan	Ms. Heda Colleen Jane I. Ternida
14	Junior Marketing Association (JMA)	Daniel Ali	Ms. Shekienah Joy E. Timola
15	15 Junior Philippine Institute of Accountants – Catanduanes State University Chapter (JPIA)	Orlando Jr. S. Rima	Ms. Michelle M. Candelaria
16	16 Human Resources Students’ Association (HRSAP)	Ced Angelo S. Destura	Ms. Vanessa M. Dela Cruz
17	17 Philippine Association of Students in Office Administration (PASOA)	Joseph S. Lopez	Mr. Godpray T. Jimenez
18	Young Entrepreneurs Society (YES)	Ma. Rona P. Bete	Ms. Ma. Gazel C. Brines
19	Asociacion Dela Ejemplos (A.D.E)	Rommel E. Dalangpan	Prof. Jowi B. Resayaga
20	Biological Science Educators Society (BioSES)	Dwayne Rock M. Supat	Prof. Kathy Lorraine C. Esdicul
21	Elementary Educators of Tomorrow (EEDTO)	Christian V. Monilla	Prof. Jane Rose C. Azanza
22	Future Mathematics Educator Association (FuMEA)	Risa Mae P. Ogalinola	Prof. Joy I. Guerrero
23	Future Culture and Arts Educators’ Association (FCAEA)	Reniel Josh A. Tanteo	Dr. Jose Z. Tria
24	Future Physical Educators’ Association (FPEA)	Carlo P. Bautista	Mr. Abdias T. Barrameda Jr.
25	Future Technical and Vocational Educators Organization (FTVEO)	John L.A Aquino	Ms. Jonna G. Toqueño
26	Lingua Poetica Society (LPS)	Rysajane Cabilos	Ms. Zyra Mae T. Tumala
27	Samahang Nagpapakadalubhasa sa Filipino (SaNaFil)	John Leonard Tisado	Dr. Charlene A. Cantar
28	Saliw Hangin Concert Band	Raffy T. Talan	Prof. Ma. Reina Gail T. Lizaso-Balbin
29	Social Studies Guild (SSG)	Jasmine Erika T. Tribiana	Ms. Ma. Nena T. Vital
30	Nutrition and Dietetics Association (NDA)	Kyla Toledana	Ms. Maria Xuyen B. Magtangob
31	Philippine Nursing Students Association – Bicol Catanduanes Chapter (PNSA)	John Paul M. Vargas	Mr. Anthony T. Emerenciana
32	Political Science Society (PSS)	Paola Alvarez	Mr. Jobesan Yusores
33	Public Administration Student of Eastern Seas (PASES)	Kenneth M. Vargas	Ms. Grace T. Marquez
34	Saussurean Society	Franz Belle R. Faustino	Mr. Francis B. Tatel
35	Association of Information Technology Students (ASITS)	Lescy G. Caadlawon	Prof. Joy B. Santelices
36	BSEMC Promotional Production Team	Febrou Mark Jenel H. Teves	Ms. Charis R. Solo
37	Academic Consortium of Computer Science Students	Kim Hector D. Camu	Ms. Mae Ezra T. Abundo
38	Library and Information Science Auxillary	Johanna Mae S. Dacuba	Ms. Julie Mae T. Teves
39	Vanguard Society	Jhester Vic O. Diego	Mr. Johnn Gregory M. Bola
40	Fourth Year Engineering Student Association (FYES)	Wei Mae B. Del Valle	Ms. Renee Daisy J. Avila
41	Mathematics Society	Nikki A. Roxas	Prof. Marilou A. Aldea
42	Natural Science Society (NATUSOC)	John Carl S. Asuncion	Prof. Ma. Cecilia T. Arcilla
43	Institute of Electronic Engineers of the Phils. – CatSU Student Chapter	Iris P. Valenzuela	Engr. Lino Nero G. Sorra
44	Fourth Year Engineering and Architecture Students Association (FYEASA)	Anna Mae S. Reyes	Engr. Jheo Q. Ibayan
45	Institute of Computer Engineers of the Philippine Student Edition – CatSU Chapter (ICpEP SE)	Mark Glenn V. Del Barrio	Engr. Morris U. Auino
46	Philippine Institute of Civil Engineers	Orlynn Andrea T. Dayok	Engr. Rene Constantine J. Avila
47	United Architects of the Philippines Student Auxillary (UAPSA)	Ethan Daniel Nimrod T. Peregrino	Ar. Brad A. Gando
48	Central English Club (CEC)	Maria Vanessa Todoc	Prof. Romeleen S. Go-Vela
49	Diplomatic Society	Joshua T. Cariño	Mr. Santos G. Sorra Jr.

Social

No.	Name of Organization	President	Adviser
50	Catanduanes State University Debate Society (CatSU – DS)	Cyzmon Baldmadrid	Dr. Adem Nalu V. Rubio
51	CatSU Karibangbang	Gilbert Lorens Vargas	Ms, Reashiela L. Khan
52	Visible Inclusion	John Emmanuel Tayo	Kristine Anne T. Razal
53	Organized Reservists of Catanduanes State University School-Based National Service Reserve Corps Unit (ORCS)	Dennis II T. Sarmiento	Prof. Emlyn T. Lanon
54	CatSU Koro Hubilyo (CatSU KHC)	Jessa M. Tolentino	Dr. Jose Z. Tria
55	College of Agriculture and Fisheries Women’s Club (CAF WC)	Trinity Aragon	Prof. Fe M. Valledor
56	College of Business and Accountancy Women’s Club (CBA WC)	Shirly Aragon	Dr. Maria Isabel L. Dela Hostria
57	College of Education Women’s Club (COED WC)	Princess M. Collantes	Ms. Ena Marie M. Sarmiento
58	College of Health Sciences Women’s Club (CHS WC)	Khate Audrey S. Castin	Ms. Alpha O. Tatel
59	College of Humanities and Social Sciences Women’s Club (CHUMSS WC)	Angel G. Tayobana	Ms. Shyrell A. Domanico
60	College of Science Women’s Club (COS WC)	Gayle Rose C. Alvaro	Ms. Maribel T. Ralla
61	Sundara Dance Troupe	Paul Andrew S. Garcia	Ms. Marianne Moneth V. Ocampo

Scholarship Organization

No.	Name of Organization	President	Adviser
62	Association of CatSU DOST Scholars	Ruthie Anne T. Guingab	Prof. Ma. Sofia S. Llaguno

Religious

No.	Name of Organization	President	Adviser
63	Adventist Ministry to College and University Students (AMICUS)	Ma. Christine Alegre	Ms. Glenda L. De Blanco
64	Agape Generation	Alliah Aubrey Simbillo	Prof. Joel T. Olfindo
65	CatSU Roman Catholic Campus Ministry (CatSU RCCM)	Lawrence T. Torres	Prof. Emlyn M. Lanon
66	CFC – Youth for Christ Campus Based (CFC – YFC)	Israel T. Tapel	Ms. Ena Marie M. Sarmiento
67	Every Nation Campus (ENC)	April Joy C. Escarda	Engr. Lino Nero G. Sorra
68	Kristiyanong Kabataan Para sa Bayan	Elmina S. Bagnate	Ms. Ma. Gazel C. Briñes
69	Christian Brotherhood International – Catanduanes State University Chapter	Cristine Angela R. Icaro	Mhar Ariz T. Marino
70	Talmidim on the Move	Edelweiss Olivo	Engr. Richmonilyn A. Salvador

Fraternities and Sororities

No.	Name of Organization	President	Adviser
71	Beta Sigma Fraternity Sigma Beta Sorority	Lawrence Joseph T. Dulay	Prof. Amy T. Moraña
72	Betta Kappa Phi Fraternity and Sorority	Hailey Grebialde	Dr. Arthur I. Tabirara
73	Tau Gamma Phi /Tau Gamma Sigma	Chris Marcian Tabuzo	Ms. Kathleen Faye B. Almario
72	The Scouts Royal Brotherhood Fraternity And Sorority National Service (SRB)	Jomar F. Vergara Jr.	Prof. Josephine V. Torrente

Publications

No.	Name of Organization	President	Adviser
75	NewMark	Febrou Mark Jenel H. Teves	Mr. Francis B. Tatel
76	The CatSU Statesman	Justine Louise Tuazon	Dr. Jovert R. Balunsay
77	The Cornerstone	Aj Von Cedrix C. Tud	Engr. Morris U. Aquino